code: def test_get_loc_numericindex_none_raises(self, dtype):
      # case that goes through searchsorted and key is non-comparable to values
      arr = np.arange(10**7, dtype=dtype)
      idx = Index(arr)
      with pytest.raises(KeyError, match="None"):
          idx.get_loc(None)
  
imports: import numpy
  import pytest
  from pandas.errors import InvalidIndexError
  from pandas import NA, Index, RangeIndex, Series, Timestamp
  import pandas._testing
  from pandas.core.arrays import ArrowExtensionArray, FloatingArray
label_desc: Use image node_id 7 for calling the TestGetLoc obj's underlying member method code with example usage: obj.test_get_loc_numericindex_none_raises(dtype) without return types