code: def test_garbage_at_end(sym):
      with pytest.raises(DataShapeSyntaxError):
          parse("int64,asdf", sym)
  
imports: from __future__ import absolute_import, division, print_function
  import unittest
  import pytest
  from datashader import datashape
  from datashader.datashape.util.testing import assert_dshape_equal
  from datashader.datashape.parser import parse
  from datashader.datashape import coretypes
  from datashader.datashape import DataShapeSyntaxError
label_desc: Use image node_id 6 for calling a global function with example usage: test_garbage_at_end(sym) without return types