code: def test_coerce_loc_index():
      for t in [pd.Timestamp, np.datetime64]:
          assert isinstance(_coerce_loc_index([t("2014")], "2014"), t)
  
imports: from __future__ import annotations
  import contextlib
  import numpy
  import pandas
  import pytest
  import dask
  import dask.dataframe
  from dask.base import tokenize
  from dask.dataframe._compat import PANDAS_GE_210, PANDAS_GE_220, IndexingError, tm
  from dask.dataframe.indexing import _coerce_loc_index
  from dask.dataframe.utils import assert_eq, make_meta, pyarrow_strings_enabled
label_desc: Use image node_id 20 for calling a global function with example usage: test_coerce_loc_index() without return types