Traceback (most recent call last):

 "C:\Vim\vimfiles\bundle\YouCompleteMe\install.py", line 44, in <module>
Main()

 "C:\Vim\vimfiles\bundle\YouCompleteMe\install.py", line 33, in Main
subprocess.check_call( [ python_binary, build_file ] + sys.argv[1:] )

 "C:\Python27\lib\subprocess.py", line 540, in check_call
raise CalledProcessError(retcode, cmd)subprocess.CalledProcessError: Command '['C:\\Python27\\python.exe', u'C:\\Vim\\
Original Traceback (most recent call last):


 "/usr/local/lib/python3.6/dist-packages/torch/utils/data/_utils/worker.py", line 198, in _worker_loop

data = fetcher.fetch(index)


 "/usr/local/lib/python3.6/dist-packages/torch/utils/data/_utils/fetch.py", line 44, in fetch

data = [self.dataset[idx] for idx in possibly_batched_index]


 "/usr/local/lib/python3.6/dist-packages/torch/utils/data/_utils/fetch.py", line 44, in <listcomp>

data = [self.dataset[idx] for idx in possibly_batched_index]


 "/content/yolov4/yolov3-channel-and-layer-pruning/utils/datasets.py", line 416, in __getitem__

img, labels = load_mosaic(self, index)


 "/content/yolov4/yolov3-channel-and-layer-pruning/utils/datasets.py", line 594, in load_mosaic

labels4.append(labels)
UnboundLocalError: local variable 'labels' referenced before assignment
