code: def test_error_with_no_keys(self):
      with pytest.raises(exc.ConfigurationError):
          Here()
  
imports: import warnings
  import pytest
  from geopy import exc
  from geopy.geocoders import Here, HereV7
  from geopy.point import Point
  from test.geocoders.util import BaseTestGeocoder, env
label_desc: Use image node_id 2 for calling the TestUnitHere obj's underlying member method code with example usage: obj.test_error_with_no_keys() without return types