code: def test_parse_shorthand_window_count():
      shorthand = "count()"
      dct = parse_shorthand(
          shorthand,
          parse_aggregates=False,
          parse_window_ops=True,
          parse_timeunits=False,
          parse_types=False,
      )
      assert dct == {"op": "count"}
  
imports: import types
  from packaging.version import Version
  from importlib.metadata import version
  import numpy
  import pandas
  import pytest
  import altair
  from altair.utils.core import parse_shorthand, update_nested, infer_encoding_types
  from altair.utils.core import infer_dtype
label_desc: Use image node_id 7 for calling a global function with example usage: test_parse_shorthand_window_count() without return types