gistfile1.txt

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ValueError                                Traceback (most recent call last)
<ipython-input-64-2f4c8a8b7a02> in <module>()
----> 1 join(gd_n, gd_s)

/Users/mdurbin/anaconda2/lib/python2.7/site-packages/astropy/table/operations.pyc in join(left, right, keys, join_type, uniq_col_name, table_names, metadata_conflicts)
    187     # these methods for custom merge behavior.
    188     _merge_col_meta(out, [left, right], col_name_map, metadata_conflicts=metadata_conflicts)
--> 189     _merge_table_meta(out, [left, right], metadata_conflicts=metadata_conflicts)
    190 
    191     return out

/Users/mdurbin/anaconda2/lib/python2.7/site-packages/astropy/table/operations.pyc in _merge_table_meta(out, tables, metadata_conflicts)
     98     out_meta = deepcopy(tables[0].meta)
     99     for table in tables[1:]:
--> 100         out_meta = metadata.merge(out_meta, table.meta, metadata_conflicts=metadata_conflicts)
    101     out.meta.update(out_meta)
    102 

/Users/mdurbin/anaconda2/lib/python2.7/site-packages/astropy/utils/metadata.pyc in merge(left, right, merge_func, metadata_conflicts)
     97                 elif right[key] is None:
     98                     out[key] = left[key]
---> 99                 elif left[key] != right[key]:
    100                     if metadata_conflicts == 'warn':
    101                         warnings.warn('Cannot merge meta key {0!r} types {1!r} and {2!r}, choosing {0}={3!r}'

ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()

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