gistfile1.txt

WARNING:param.dynamic_operation: Callable raised "AttributeError("'DataArray' object has no attribute '_file_obj'")".
Invoked as dynamic_operation(numpy.datetime64('2021-04-07T01:00:00.000000000'), height=400, scale=1.0, width=400, x_range=None, y_range=None)
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
/opt/conda/lib/python3.8/site-packages/IPython/core/formatters.py in __call__(self, obj, include, exclude)
    968 
    969             if method is not None:
--> 970                 return method(include=include, exclude=exclude)
    971             return None
    972         else:

/opt/conda/lib/python3.8/site-packages/holoviews/core/dimension.py in _repr_mimebundle_(self, include, exclude)
   1315         combined and returned.
   1316         """
-> 1317         return Store.render(self)
   1318 
   1319 

/opt/conda/lib/python3.8/site-packages/holoviews/core/options.py in render(cls, obj)
   1403         data, metadata = {}, {}
   1404         for hook in hooks:
-> 1405             ret = hook(obj)
   1406             if ret is None:
   1407                 continue

/opt/conda/lib/python3.8/site-packages/holoviews/ipython/display_hooks.py in pprint_display(obj)
    280     if not ip.display_formatter.formatters['text/plain'].pprint:
    281         return None
--> 282     return display(obj, raw_output=True)
    283 
    284 

/opt/conda/lib/python3.8/site-packages/holoviews/ipython/display_hooks.py in display(obj, raw_output, **kwargs)
    256     elif isinstance(obj, (HoloMap, DynamicMap)):
    257         with option_state(obj):
--> 258             output = map_display(obj)
    259     elif isinstance(obj, Plot):
    260         output = render(obj)

/opt/conda/lib/python3.8/site-packages/holoviews/ipython/display_hooks.py in wrapped(element)
    144         try:
    145             max_frames = OutputSettings.options['max_frames']
--> 146             mimebundle = fn(element, max_frames=max_frames)
    147             if mimebundle is None:
    148                 return {}, {}

/opt/conda/lib/python3.8/site-packages/holoviews/ipython/display_hooks.py in map_display(vmap, max_frames)
    204         return None
    205 
--> 206     return render(vmap)
    207 
    208 

/opt/conda/lib/python3.8/site-packages/holoviews/ipython/display_hooks.py in render(obj, **kwargs)
     66         renderer = renderer.instance(fig='png')
     67 
---> 68     return renderer.components(obj, **kwargs)
     69 
     70 

/opt/conda/lib/python3.8/site-packages/holoviews/plotting/renderer.py in components(self, obj, fmt, comm, **kwargs)
    408                 doc = Document()
    409                 with config.set(embed=embed):
--> 410                     model = plot.layout._render_model(doc, comm)
    411                 if embed:
    412                     return render_model(model, comm)

/opt/conda/lib/python3.8/site-packages/panel/viewable.py in _render_model(self, doc, comm)
    422         if comm is None:
    423             comm = state._comm_manager.get_server_comm()
--> 424         model = self.get_root(doc, comm)
    425 
    426         if config.embed:

/opt/conda/lib/python3.8/site-packages/panel/viewable.py in get_root(self, doc, comm, preprocess)
    480         """
    481         doc = init_doc(doc)
--> 482         root = self._get_model(doc, comm=comm)
    483         if preprocess:
    484             self._preprocess(root)

/opt/conda/lib/python3.8/site-packages/panel/layout/base.py in _get_model(self, doc, root, parent, comm)
    110         if root is None:
    111             root = model
--> 112         objects = self._get_objects(model, [], doc, root, comm)
    113         props = dict(self._init_properties(), objects=objects)
    114         model.update(**self._process_param_change(props))

/opt/conda/lib/python3.8/site-packages/panel/layout/base.py in _get_objects(self, model, old_objects, doc, root, comm)
    100             else:
    101                 try:
--> 102                     child = pane._get_model(doc, root, model, comm)
    103                 except RerenderError:
    104                     return self._get_objects(model, current_objects[:i], doc, root, comm)

/opt/conda/lib/python3.8/site-packages/panel/pane/holoviews.py in _get_model(self, doc, root, parent, comm)
    239             plot = self.object
    240         else:
--> 241             plot = self._render(doc, comm, root)
    242 
    243         plot.pane = self

/opt/conda/lib/python3.8/site-packages/panel/pane/holoviews.py in _render(self, doc, comm, root)
    304                 kwargs['comm'] = comm
    305 
--> 306         return renderer.get_plot(self.object, **kwargs)
    307 
    308     def _cleanup(self, root):

/opt/conda/lib/python3.8/site-packages/holoviews/plotting/bokeh/renderer.py in get_plot(self_or_cls, obj, doc, renderer, **kwargs)
     71         combining the bokeh model with another plot.
     72         """
---> 73         plot = super(BokehRenderer, self_or_cls).get_plot(obj, doc, renderer, **kwargs)
     74         if plot.document is None:
     75             plot.document = Document() if self_or_cls.notebook_context else curdoc()

/opt/conda/lib/python3.8/site-packages/holoviews/plotting/renderer.py in get_plot(self_or_cls, obj, doc, renderer, comm, **kwargs)
    218 
    219         # Initialize DynamicMaps with first data item
--> 220         initialize_dynamic(obj)
    221 
    222         if not renderer:

/opt/conda/lib/python3.8/site-packages/holoviews/plotting/util.py in initialize_dynamic(obj)
    250             continue
    251         if not len(dmap):
--> 252             dmap[dmap._initial_key()]
    253 
    254 

/opt/conda/lib/python3.8/site-packages/holoviews/core/spaces.py in __getitem__(self, key)
   1339         # Not a cross product and nothing cached so compute element.
   1340         if cache is not None: return cache
-> 1341         val = self._execute_callback(*tuple_key)
   1342         if data_slice:
   1343             val = self._dataslice(val, data_slice)

/opt/conda/lib/python3.8/site-packages/holoviews/core/spaces.py in _execute_callback(self, *args)
   1108 
   1109         with dynamicmap_memoization(self.callback, self.streams):
-> 1110             retval = self.callback(*args, **kwargs)
   1111         return self._style(retval)
   1112 

/opt/conda/lib/python3.8/site-packages/holoviews/core/spaces.py in __call__(self, *args, **kwargs)
    712 
    713         try:
--> 714             ret = self.callable(*args, **kwargs)
    715         except KeyError:
    716             # KeyError is caught separately because it is used to signal

/opt/conda/lib/python3.8/site-packages/holoviews/util/__init__.py in dynamic_operation(*key, **kwargs)
   1041         def dynamic_operation(*key, **kwargs):
   1042             key, obj = resolve(key, kwargs)
-> 1043             return apply(obj, *key, **kwargs)
   1044 
   1045         operation = self.p.operation

/opt/conda/lib/python3.8/site-packages/holoviews/util/__init__.py in apply(element, *key, **kwargs)
   1033         def apply(element, *key, **kwargs):
   1034             kwargs = dict(util.resolve_dependent_kwargs(self.p.kwargs), **kwargs)
-> 1035             processed = self._process(element, key, kwargs)
   1036             if (self.p.link_dataset and isinstance(element, Dataset) and
   1037                 isinstance(processed, Dataset) and processed._dataset is None):

/opt/conda/lib/python3.8/site-packages/holoviews/util/__init__.py in _process(self, element, key, kwargs)
   1015         elif isinstance(self.p.operation, Operation):
   1016             kwargs = {k: v for k, v in kwargs.items() if k in self.p.operation.param}
-> 1017             return self.p.operation.process_element(element, key, **kwargs)
   1018         else:
   1019             return self.p.operation(element, **kwargs)

/opt/conda/lib/python3.8/site-packages/holoviews/core/operation.py in process_element(self, element, key, **params)
    192             self.p = param.ParamOverrides(self, params,
    193                                           allow_extra_keywords=self._allow_extra_keywords)
--> 194         return self._apply(element, key)
    195 
    196 

/opt/conda/lib/python3.8/site-packages/holoviews/core/operation.py in _apply(self, element, key)
    139             if not in_method:
    140                 element._in_method = True
--> 141         ret = self._process(element, key)
    142         if hasattr(element, '_in_method') and not in_method:
    143             element._in_method = in_method

/opt/conda/lib/python3.8/site-packages/holoviews/operation/datashader.py in _process(self, element, key)
   1496 
   1497     def _process(self, element, key=None):
-> 1498         agg = rasterize._process(self, element, key)
   1499         shaded = shade._process(self, agg, key)
   1500         return shaded

/opt/conda/lib/python3.8/site-packages/holoviews/operation/datashader.py in _process(self, element, key)
   1475                                        if k in transform.param})
   1476             op._precomputed = self._precomputed
-> 1477             element = element.map(op, predicate)
   1478             self._precomputed = op._precomputed
   1479 

/opt/conda/lib/python3.8/site-packages/holoviews/core/data/__init__.py in pipelined_fn(*args, **kwargs)
    203 
    204             try:
--> 205                 result = method_fn(*args, **kwargs)
    206                 if PipelineMeta.disable:
    207                     return result

/opt/conda/lib/python3.8/site-packages/holoviews/core/data/__init__.py in map(self, *args, **kwargs)
   1220 
   1221     def map(self, *args, **kwargs):
-> 1222         return super(Dataset, self).map(*args, **kwargs)
   1223     map.__doc__ = LabelledData.map.__doc__
   1224 

/opt/conda/lib/python3.8/site-packages/holoviews/core/dimension.py in map(self, map_fn, specs, clone)
    708             return deep_mapped
    709         else:
--> 710             return map_fn(self) if applies else self
    711 
    712 

/opt/conda/lib/python3.8/site-packages/holoviews/core/operation.py in __call__(self, element, **kwargs)
    212             elif ((self._per_element and isinstance(element, Element)) or
    213                   (not self._per_element and isinstance(element, ViewableElement))):
--> 214                 return self._apply(element)
    215         elif 'streams' not in kwargs:
    216             kwargs['streams'] = self.p.streams

/opt/conda/lib/python3.8/site-packages/holoviews/core/operation.py in _apply(self, element, key)
    139             if not in_method:
    140                 element._in_method = True
--> 141         ret = self._process(element, key)
    142         if hasattr(element, '_in_method') and not in_method:
    143             element._in_method = in_method

/opt/conda/lib/python3.8/site-packages/holoviews/operation/datashader.py in _process(self, element, key)
    937         agg_fn = self._get_aggregator(element, add_field=False)
    938         for vd, xarr in arrays.items():
--> 939             rarray = cvs.raster(xarr, upsample_method=interp,
    940                                 downsample_method=agg_fn)
    941 

/opt/conda/lib/python3.8/site-packages/datashader/core.py in raster(self, source, layer, upsample_method, downsample_method, nan_value, agg, interpolate, chunksize, max_mem)
   1126         dims = [ydim, xdim]
   1127         attrs = dict(res=res[0])
-> 1128         if source._file_obj is not None and hasattr(source._file_obj, 'nodata'):
   1129             attrs['nodata'] = source._file_obj.nodata
   1130 

/opt/conda/lib/python3.8/site-packages/xarray/core/common.py in __getattr__(self, name)
    237                 with suppress(KeyError):
    238                     return source[name]
--> 239         raise AttributeError(
    240             "{!r} object has no attribute {!r}".format(type(self).__name__, name)
    241         )

AttributeError: 'DataArray' object has no attribute '_file_obj'
:DynamicMap   [time]