code: def get_classes(module):
      # Enumerate classes from a module
      for name, o in module.__dict__.items():
          if inspect.isclass(o) and o.__module__.startswith(
              module_prefix
          ):
              yield o
  
file_path: chainer/tests/chainer_tests/test_chainer_objects.py
imports: import importlib
  import inspect
  import pkgutil
  import types
  import unittest
  import six
  import chainer
  from chainer import testing
label_desc: Use image node_id 2 for calling a global function with example usage: get_classes(module) without return types