If you are getting this error in python3, then, it could be an incompatibility issue between python 2 and python 3, for me the solution was to load with latin1 encoding:
pickle.load(file, encoding='latin1')
If you are getting this error in python3, then, it could be an incompatibility issue between python 2 and python 3, for me the solution was to load with latin1 encoding:
pickle.load(file, encoding='latin1')