code: def main():
      """This script runs the pip smoke test.
  
      Raises:
        RuntimeError: If any dependencies for py_tests exist in subSet
  
      Prerequisites:
          1. Bazel is installed.
          2. Running in github repo of tensorflow.
          3. Configure has been run.
  
      """
  
      # pip_package_dependencies_list is the list of included files in pip packages
      pip_package_dependencies = subprocess.check_output(
          [
              "bazel",
              "cquery",
              "--experimental_cc_shared_library",
              PIP_PACKAGE_QUERY_EXPRESSION,
          ]
      )
      if isinstance(pip_package_dependencies, bytes):
          pip_package_dependencies = pip_package_dependencies.decode(
              "utf-8"
          )
      pip_package_dependencies_list = (
          pip_package_dependencies.strip().split("\n")
      )
      pip_package_dependencies_list = [
          x.split()[0] for x in pip_package_dependencies_list
      ]
      print(
          "Pip package superset size: %d"
          % len(pip_package_dependencies_list)
      )
  
      # tf_py_test_dependencies is the list of dependencies for all python
      # tests in tensorflow
      tf_py_test_dependencies = subprocess.check_output(
          [
              "bazel",
              "cquery",
              "--experimental_cc_shared_library",
              PY_TEST_QUERY_EXPRESSION,
          ]
      )
      if isinstance(tf_py_test_dependencies, bytes):
          tf_py_test_dependencies = tf_py_test_dependencies.decode(
              "utf-8"
          )
      tf_py_test_dependencies_list = (
          tf_py_test_dependencies.strip().split("\n")
      )
      tf_py_test_dependencies_list = [
          x.split()[0]
          for x in tf_py_test_dependencies.strip().split("\n")
      ]
      print(
          "Pytest dependency subset size: %d"
          % len(tf_py_test_dependencies_list)
      )
  
      missing_dependencies = []
      # File extensions and endings to ignore
      ignore_extensions = [
          "_test",
          "_test.py",
          "_test_cpu",
          "_test_cpu.py",
          "_test_gpu",
          "_test_gpu.py",
          "_test_lib",
      ]
  
      ignored_files_count = 0
      denylisted_dependencies_count = len(DEPENDENCY_DENYLIST)
      # Compare dependencies
      for dependency in tf_py_test_dependencies_list:
          if dependency and dependency.startswith("//tensorflow"):
              ignore = False
              # Ignore extensions
              if any(
                  dependency.endswith(ext) for ext in ignore_extensions
              ):
                  ignore = True
                  ignored_files_count += 1
  
              # Check if the dependency is in the pip package, the dependency denylist,
              # or should be ignored because of its file extension.
              if not (
                  ignore
                  or dependency in pip_package_dependencies_list
                  or dependency in DEPENDENCY_DENYLIST
              ):
                  missing_dependencies.append(dependency)
  
      print("Ignored files count: %d" % ignored_files_count)
      print(
          "Denylisted dependencies count: %d"
          % denylisted_dependencies_count
      )
      if missing_dependencies:
          print("Missing the following dependencies from pip_packages:")
          for missing_dependency in missing_dependencies:
              print("\nMissing dependency: %s " % missing_dependency)
              print("Affected Tests:")
              rdep_query = "rdeps(kind(py_test, %s), %s)" % (
                  " + ".join(PYTHON_TARGETS),
                  missing_dependency,
              )
              affected_tests = subprocess.check_output(
                  [
                      "bazel",
                      "cquery",
                      "--experimental_cc_shared_library",
                      rdep_query,
                  ]
              )
              affected_tests_list = affected_tests.split("\n")[:-2]
              print("\n".join(affected_tests_list))
  
          raise RuntimeError(
              """
      One or more added test dependencies are not in the pip package.
  If these test dependencies need to be in TensorFlow pip package, please add them to //tensorflow/tools/pip_package/BUILD.
  Else add no_pip tag to the test."""
          )
  
      else:
          print("TEST PASSED")
  
imports: import os
  import subprocess
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types