xarray-warnings.txt

=============================== warnings summary ===============================
xarray/tests/test_backends.py::NetCDF4DataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::NetCDF4DataStoreAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::NetCDF4ViaDaskDataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::NetCDF4ViaDaskDataTestAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::ScipyInMemoryDataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::ScipyInMemoryDataTestAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::ScipyFileObjectTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::ScipyFilePathTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_coordinates_encoding
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_dataset_caching
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_dataset_compute
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_load
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_None_variable
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_boolean_dtype
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_coordinates
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_endian
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_example_1_netcdf
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_float64_data
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_mask_and_scale
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_object_dtype
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_string_data
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_strings_with_fill_value
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_roundtrip_test_data
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_unsigned_roundtrip_mask_and_scale
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::ScipyFilePathTestAutocloseTrue::test_zero_dimensional_variable
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::NetCDF3ViaNetCDF4DataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::NetCDF3ViaNetCDF4DataTestAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::NetCDF4ClassicViaNetCDF4DataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::NetCDF4ClassicViaNetCDF4DataTestAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::GenericNetCDFDataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::GenericNetCDFDataTestAutocloseTrue::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::H5NetCDFDataTest::test_complex
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/h5netcdf/legacyapi.py:93: FutureWarning: complex dtypes are supported by h5py, but not part of the NetCDF API. You are writing an HDF5 file that is not a valid NetCDF file! In the future, this will be an error, unless you set invalid_netcdf=True.
 chunks=chunksizes, fillvalue=fill_value, **kwds)
xarray/tests/test_backends.py::H5NetCDFDataTest::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_backends.py::OpenMFDatasetManyFilesTest::test_2_autoclose_scipy
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/scipy/io/netcdf.py:299: RuntimeWarning: Cannot close a netcdf_file opened with mmap=True, when netcdf_variables or arrays referring to its data still exist. All data arrays obtained from such files refer directly to data on disk, and must be copied before the file can be cleanly closed. (See netcdf_file docstring for more information on mmap.)
 ), category=RuntimeWarning)
xarray/tests/test_backends.py::TestRasterio::test_caching
 /home/travis/build/pydata/xarray/xarray/tests/test_backends.py:1916: FutureWarning: The value of this property will change in version 1.0. Please see https://github.com/mapbox/rasterio/issues/86 for details.
 with xr.open_rasterio(tmp_file) as actual:
xarray/tests/test_backends.py::TestRasterio::test_chunks
 /home/travis/build/pydata/xarray/xarray/tests/test_backends.py:1954: FutureWarning: The value of this property will change in version 1.0. Please see https://github.com/mapbox/rasterio/issues/86 for details.
 with xr.open_rasterio(tmp_file, chunks=(1, 2, 2)) as actual:
xarray/tests/test_backends.py::TestRasterio::test_indexing
 /home/travis/build/pydata/xarray/xarray/tests/test_backends.py:1822: FutureWarning: The value of this property will change in version 1.0. Please see https://github.com/mapbox/rasterio/issues/86 for details.
 with xr.open_rasterio(tmp_file, cache=False) as actual:
xarray/tests/test_backends.py::TestRasterio::test_serialization_platecarree
 /home/travis/build/pydata/xarray/xarray/tests/test_backends.py:1778: FutureWarning: The value of this property will change in version 1.0. Please see https://github.com/mapbox/rasterio/issues/86 for details.
 with xr.open_rasterio(tmp_file) as rioda:
xarray/tests/test_backends.py::TestRasterio::test_serialization_utm
 /home/travis/build/pydata/xarray/xarray/tests/test_backends.py:1734: FutureWarning: The value of this property will change in version 1.0. Please see https://github.com/mapbox/rasterio/issues/86 for details.
 with xr.open_rasterio(tmp_file) as rioda:
xarray/tests/test_conventions.py::TestDatetime::test_decode_cf_datetime_overflow
 /home/travis/build/pydata/xarray/xarray/tests/test_conventions.py:215: RuntimeWarning: Unable to decode time axis into full numpy.datetime64 objects, continuing using dummy netCDF4.datetime objects instead, reason: dates out of range
 result = conventions.decode_cf_datetime(day, units)
xarray/tests/test_conventions.py::TestDatetime::test_decode_cf_datetime_transition_to_invalid
 /home/travis/build/pydata/xarray/xarray/conventions.py:411: RuntimeWarning: Unable to decode time axis into full numpy.datetime64 objects, continuing using dummy netCDF4.datetime objects instead, reason: dates out of range
 result = decode_cf_datetime(example_value, units, calendar)
 /home/travis/build/pydata/xarray/xarray/conventions.py:430: RuntimeWarning: Unable to decode time axis into full numpy.datetime64 objects, continuing using dummy netCDF4.datetime objects instead, reason: dates out of range
 calendar=self.calendar)
xarray/tests/test_conventions.py::TestCFEncodedDataStore::test_default_fill_value
 /home/travis/build/pydata/xarray/xarray/conventions.py:1162: RuntimeWarning: saving variable x with floating point data as an integer dtype without any _FillValue to use for NaNs
 for k, v in iteritems(variables))
xarray/tests/test_dataarray.py::TestDataArray::test_groupby_math
 /home/travis/build/pydata/xarray/xarray/tests/test_dataarray.py:1853: FutureWarning: the order of the arguments on DataArray.to_dataset has changed; you now need to supply ``name`` as a keyword argument
 ds = array.coords['x'].to_dataset('X')
xarray/tests/test_dataarray.py::TestDataArray::test_reindex_regressions
 /home/travis/build/pydata/xarray/xarray/core/dataarray.py:844: FutureWarning: Indexer has dimensions ('time2',) that are different from that to be indexed along time. This will behave differently in the future.
 method=method, tolerance=tolerance, copy=copy, **indexers)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-None-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-None-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-1-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-1-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-2-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-2-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-3-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[mean-1-3-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: Mean of empty slice
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-None-True-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-None-False-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-1-True-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-1-False-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-2-True-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-2-False-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-3-True-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[std-1-3-False-2]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/numpy/lib/nanfunctions.py:1427: RuntimeWarning: Degrees of freedom <= 0 for slice.
 keepdims=keepdims)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-None-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-None-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-1-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-1-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-2-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-2-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-3-True-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_reduce[max-1-3-False-2]
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1140: RuntimeWarning: All-NaN slice encountered
 axis=axis, **kwargs)
xarray/tests/test_dataarray.py::test_rolling_count_correct
 /home/travis/build/pydata/xarray/xarray/core/variable.py:1368: RuntimeWarning: invalid value encountered in greater_equal
 if not reflexive
xarray/tests/test_dataset.py::TestDataset::test_constructor_0d
 /home/travis/miniconda/envs/test_env/lib/python3.6/unittest/case.py:605: FutureWarning: to_datetime is deprecated. Use self.to_pydatetime()
 testMethod()
xarray/tests/test_dataset.py::TestDataset::test_coords_merge_mismatched_shape
 /home/travis/build/pydata/xarray/xarray/tests/test_dataset.py:687: FutureWarning: xarray.Dataset.T has been deprecated as an alias for `.transpose()`. It will be removed in a future version of xarray.
 self.assertDatasetIdentical(expected.T, actual)
xarray/tests/test_dataset.py::TestDataset::test_reindex
 /home/travis/build/pydata/xarray/xarray/tests/test_dataset.py:1554: FutureWarning: Indexer has dimensions ('time2',) that are different from that to be indexed along time. This will behave differently in the future.
 actual = expected.reindex(time=time2)
xarray/tests/test_distributed.py::test_dask_distributed_integration_test[scipy]
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/distributed/utils_test.py:529: UserWarning: This test leaked 3 file descriptors
 warnings.warn("This test leaked %d file descriptors" % diff)
xarray/tests/test_plot.py::TestPlot::test_subplot_kws
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/matplotlib/cbook/deprecation.py:106: MatplotlibDeprecationWarning: The axisbg attribute was deprecated in version 2.0. Use facecolor instead.
 warnings.warn(message, mplDeprecation, stacklevel=1)
xarray/tests/test_plot.py::TestContour::test_single_level
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/matplotlib/contour.py:1180: UserWarning: No contour levels were found within the data range.
 warnings.warn("No contour levels were found"
xarray/tests/test_variable.py::TestVariable::test_index_0d_not_a_time
 /home/travis/build/pydata/xarray/xarray/core/duck_array_ops.py:127: FutureWarning: In the future, 'NAT == x' and 'x == NAT' will always be False.
 flag_array = (arr1 == arr2)
 /home/travis/build/pydata/xarray/xarray/tests/__init__.py:133: FutureWarning: In the future, 'NAT == x' and 'x == NAT' will always be False.
 assert a1 == a2 or (a1 != a1 and a2 != a2)
xarray/tests/test_variable.py::TestVariableWithDask::test_index_0d_not_a_time
 /home/travis/miniconda/envs/test_env/lib/python3.6/site-packages/dask/local.py:271: FutureWarning: In the future, 'NAT == x' and 'x == NAT' will always be False.
 return func(*args2)
 /home/travis/build/pydata/xarray/xarray/tests/__init__.py:133: FutureWarning: In the future, 'NAT == x' and 'x == NAT' will always be False.
 assert a1 == a2 or (a1 != a1 and a2 != a2)
xarray/tests/test_variable.py::TestIndexVariable::test_index_0d_not_a_time
 /home/travis/build/pydata/xarray/xarray/tests/__init__.py:133: FutureWarning: In the future, 'NAT == x' and 'x == NAT' will always be False.
 assert a1 == a2 or (a1 != a1 and a2 != a2)
-- Docs: http://doc.pytest.org/en/latest/warnings.html
====== 2542 passed, 90 skipped, 10 xfailed, 82 warnings in 164.27 seconds ======