Traceback (most recent call last):


 "/content/iPERCore/iPERCore/services/preprocess.py", line 136, in run

prepared_inputs = self.prepare_inputs_for_run_cloth_smpl_links(process_info)


 "/content/iPERCore/iPERCore/services/preprocess.py", line 210, in prepare_inputs_for_run_cloth_smpl_links

src_infos = process_info.convert_to_src_info(self.opt.num_source)


 "/content/iPERCore/iPERCore/services/options/process_info.py", line 140, in convert_to_src_info

src_infos = read_src_infos(self.vid_infos, num_source)


 "/content/iPERCore/iPERCore/services/options/process_info.py", line 233, in read_src_infos

pad_ids = np.random.choice(src_ids, need_pad)


 "mtrand.pyx", line 908, in numpy.random.mtrand.RandomState.choice
ValueError: 'a' cannot be empty unless no samples are taken

Traceback (most recent call last):


 "C:\Python\anaconda3\lib\site-packages\spyder\widgets\variableexplorer\dataframeeditor.py", line 295, in data

return to_qvariant(to_text_string(value))


 "C:\Python\anaconda3\lib\site-packages\spyder\py3compat.py", line 140, in to_text_string

return str(obj)


 "C:\Python\anaconda3\lib\site-packages\pandas\core\base.py", line 59, in __str__

return self.__unicode__()


 "C:\Python\anaconda3\lib\site-packages\pandas\core\frame.py", line 636, in __unicode__

line_width=width, show_dimensions=show_dimensions)


 "C:\Python\anaconda3\lib\site-packages\pandas\core\frame.py", line 1675, in to_string

formatter.to_string()


 "C:\Python\anaconda3\lib\site-packages\pandas\io\formats\format.py", line 597, in to_string

strcols = self._to_str_columns()


 "C:\Python\anaconda3\lib\site-packages\pandas\io\formats\format.py", line 537, in _to_str_columns

max_len = max(np.max([self.adj.len(x) for x in fmt_values]),


 "C:\Python\anaconda3\lib\site-packages\numpy\core\fromnumeric.py", line 2320, in amax

out=out, **kwargs)


 "C:\Python\anaconda3\lib\site-packages\numpy\core\_methods.py", line 26, in _amax

return umr_maximum(a, axis, None, out, keepdims)
ValueError: zero-size array to reduction operation maximum which has no identity
