class_docstr: Basic Reader Class
class_docstr_tok: ["Basic","Reader","Class"]
code: def __iter__(self):
      for key in self.index_keys:
          yield key, self._load(key)
  
imports: import cvtransforms
  import face_alignment
  import numpy
  import skimage.transform
  import skvideo.io
  import torch
  from models import pretrained
label_desc: Use image node_id 8 for calling the VideoReader obj's underlying member method code with example usage: obj.__iter__() without return types