Traceback (most recent call last):


 "C:\Users\adnan\AppData\Local\Programs\Python\Python38-32\lib\site-packages\tornado\ioloop.py", line 907, in _run

return self.callback()


 "C:\Users\adnan\AppData\Local\Programs\Python\Python38-32\lib\site-packages\distributed\nanny.py", line 414, in memory_monitor

process = self.process.process
AttributeError: 'NoneType' object has no attribute 'process'

Traceback (most recent call last):


 "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner

self.run()


 "/usr/lib/python2.7/threading.py", line 754, in run

self.__target(*self.__args, **self.__kwargs)


 "/usr/local/lib/python2.7/dist-packages/paddle/v2/reader/decorator.py", line 271, in handle_worker

r = mapper(sample)


 "/usr/local/lib/python2.7/dist-packages/paddle/v2/dataset/flowers.py", line 63, in default_mapper

img = load_image_bytes(img)


 "/usr/local/lib/python2.7/dist-packages/paddle/v2/image.py", line 113, in load_image_bytes

img = cv2.imdecode(file_bytes, flag)
AttributeError: 'NoneType' object has no attribute 'imdecode'
