code: def testModulesAreValidAPIModules(self):
      for module_name in doc_srcs.get_doc_sources(FLAGS.api_name):
          # Convert module_name to corresponding __init__.py file path.
          file_path = module_name.replace(".", "/")
          if file_path:
              file_path += "/"
          file_path += "__init__.py"
  
          self.assertIn(
              file_path,
              FLAGS.outputs,
              msg="%s is not a valid API module" % module_name,
          )
  
file_path: tensorflow/tensorflow/python/tools/api/generator/doc_srcs_test.py
imports: import argparse
  import importlib
  import sys
  from tensorflow.python.platform import test
  from tensorflow.python.tools.api.generator import doc_srcs
label_desc: Use image node_id 1 for calling the DocSrcsTest obj's underlying member method code with example usage: obj.testModulesAreValidAPIModules() without return types