ValueError: generator already executing.

[Spartan859]

When I ran dannce-predict, it gave the following message:

Traceback (most recent call last):
File "/home/qiushou/anaconda3/envs/dannce/bin/dannce-predict", line 33, in
sys.exit(load_entry_point('dannce', 'console_scripts', 'dannce-predict')())
File "/home/xulab/Documents/dannce/dannce/cli.py", line 54, in dannce_predict_cli
dannce_predict(params)
File "/home/xulab/Documents/dannce/dannce/interface.py", line 1577, in dannce_predict
n_chn,
File "/home/xulab/Documents/dannce/dannce/engine/inference.py", line 696, in infer_dannce
ims = generator.getitem(i)
File "/home/xulab/Documents/dannce/dannce/engine/generator.py", line 966, in getitem
X, y = self.__data_generation(list_IDs_temp)
File "/home/xulab/Documents/dannce/dannce/engine/generator.py", line 1258, in __data_generation
result = self.threadpool.starmap(self.project_grid, arglist)
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/multiprocessing/pool.py", line 276, in starmap
return self._map_async(func, iterable, starmapstar, chunksize).get()
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/multiprocessing/pool.py", line 657, in get
raise self._value
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/multiprocessing/pool.py", line 121, in worker
result = (True, func(*args, **kwds))
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/multiprocessing/pool.py", line 47, in starmapstar
return list(itertools.starmap(args[0], args[1]))
File "/home/xulab/Documents/dannce/dannce/engine/generator.py", line 1028, in project_grid
extension=self.extension,
File "/home/xulab/Documents/dannce/dannce/engine/video.py", line 238, in load_vid_frame
im = vid.get_data(frame_num).astype("uint8") if self.predict_flag
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/site-packages/imageio/core/format.py", line 346, in get_data
im, meta = self._get_data(index, **kwargs)
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/site-packages/imageio/plugins/ffmpeg.py", line 384, in _get_data
result, is_new = self._read_frame()
File "/home/qiushou/anaconda3/envs/dannce/lib/python3.7/site-packages/imageio/plugins/ffmpeg.py", line 486, in _read_frame
s = self._read_gen.next()
ValueError: generator already executing

[yuan0821]

hi @Spartan859
I also met the error. may I ask how to fix it? thank you!