in ()
4
5 #instantiate the video class
----> 6 vd = Video()
7
8 #number of key-frame images to be extracted
2 frames
/usr/lib/python3.6/multiprocessing/pool.py in __init__(self, processes, initializer, initargs, maxtasksperchild, context)
165 processes = os.cpu_count() or 1
166 if processes < 1:
--> 167 raise ValueError("Number of processes must be at least 1")
168
169 if initializer is not None and not callable(initializer):
ValueError: Number of processes must be at least 1
ValueError Traceback (most recent call last)