code: def _ensure_python_version():
      """Raises ImportError if sys.version_info is too old."""
      import sys
  
      #
      # Update this whenever we need to depend on a newer Python version.
      #
      required_python_version = (3, 5)
      if sys.version_info[0:2] < required_python_version:
          raise ImportError(
              "This version of tensorflow_hub requires Python {required} or newer; "
              "instead detected version {present}".format(
                  required=".".join(
                      str(x) for x in required_python_version
                  ),
                  present=sys.version,
              )
          )
  
file_path: hub/tensorflow_hub/__init__.py
imports: from tensorflow_hub.keras_layer import KerasLayer
  from tensorflow_hub.module_v2 import load
  from tensorflow_hub.module_v2 import resolve
  from tensorflow_hub.version import __version__
  from tensorflow_hub.config import _run, _get_extra_deps
label_desc: Use image node_id 1 for calling a global function with example usage: _ensure_python_version() without return types