code: def assert_no_varargs(sig):
      assert not [
          str(p)
          for p in sig.parameters.values()
          if p.kind
          in (
              inspect.Parameter.VAR_POSITIONAL,
              inspect.Parameter.VAR_KEYWORD,
          )
      ], (
          "Geocoders must not have any (*args) or (**kwargs). "
          "See CONTRIBUTING.md for explanation."
      )
  
file_path: geopy/test/geocoders/__init__.py
imports: import importlib
  import inspect
  import pkgutil
  import docutils.core
  import docutils.utils
  import pytest
  import geopy.geocoders
  from geopy.geocoders.base import DEFAULT_SENTINEL, Geocoder
label_desc: Use image node_id 1 for calling a global function with example usage: assert_no_varargs(sig) without return types