code: def load(filename):
      
      filename = os.path.normcase(filename)
      try:
          with open(filename, 'rb') as f:
              u = pickle.Unpickler(f)
              return u.load()
      except IOError:
          raise LogOpeningError('No file found for %s' % filename, filename)
docs: Retrieve a pickled object
  
      Parameter
      ---------
      filename : path
  
      Return
      ------
      object
          Unpickled object