WARNING: Automatic signature extraction failed: Traceback (most recent call last):

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 879, in _decrypt_signature
return func(s)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 447, in <lambda>
return lambda s: initial_function([s])

 "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)

 "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 43, in interpret_statement
'Cannot determine left side of statement in %r' % stmt)ExtractorError: Cannot determine left side of statement in u'xh(this.j,a)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type
youtube-dl -U
to update.
Traceback (most recent call last):


 "test.py", line 87, in <module>

df['chuncked'] = df.apply (lambda row: nltk.ne_chunk(row["posTag"], binary=True),axis=1)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/frame.py", line 4152, in apply

return self._apply_standard(f, axis, reduce=reduce)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/frame.py", line 4265, in _apply_standard

result = self._constructor(data=results, index=index)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/frame.py", line 266, in __init__

mgr = self._init_dict(data, index, columns, dtype=dtype)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/frame.py", line 402, in _init_dict

return _arrays_to_mgr(arrays, data_names, index, columns, dtype=dtype)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/frame.py", line 5408, in _arrays_to_mgr

return create_block_manager_from_arrays(arrays, arr_names, axes)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/internals.py", line 4267, in create_block_manager_from_arrays

construction_error(len(arrays), arrays[0].shape, axes, e)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/internals.py", line 4229, in construction_error

raise e


 "/usr/local/lib/python3.5/dist-packages/pandas/core/internals.py", line 4262, in create_block_manager_from_arrays

blocks = form_blocks(arrays, names, axes)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/internals.py", line 4359, in form_blocks

object_blocks = _simple_blockify(object_items, np.object_)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/internals.py", line 4389, in _simple_blockify

values, placement = _stack_arrays(tuples, dtype)


 "/usr/local/lib/python3.5/dist-packages/pandas/core/internals.py", line 4453, in _stack_arrays

stacked[i] = _asarray_compat(arr)
ValueError: could not broadcast input array from shape (28) into shape (15)
