message: Fixing linting error in macro_tests
diff: @@ -5,10 +5,10 @@ from __future__ import print_function
  from __future__ import unicode_literals
  from flask import json
  -from tests.base_tests import SupersetTestCase
  from superset import app
  from superset import jinja_context
  +from tests.base_tests import SupersetTestCase
  class MacroTestCase(SupersetTestCase):
  