code: def test_no_trailing_comma(self, test_env):
      with pytest.raises(TemplateSyntaxError):
          test_env.from_string('{% from "foo" import bar, %}')
  
      with pytest.raises(TemplateSyntaxError):
          test_env.from_string('{% from "foo" import bar,, %}')
  
      with pytest.raises(TemplateSyntaxError):
          test_env.from_string('{% from "foo" import, %}')
  
imports: import pytest
  from jinja2 import DictLoader
  from jinja2 import Environment
  from jinja2.exceptions import TemplateNotFound
  from jinja2.exceptions import TemplatesNotFound
  from jinja2.exceptions import TemplateSyntaxError
label_desc: Use image node_id 3 for calling the TestImports obj's underlying member method code with example usage: obj.test_no_trailing_comma(test_env) without return types