Merge pull request #21622 from edx/BOM-455

BOM-455

cms/djangoapps/contentstore/management/commands/tests/test_export_olx.py

@@ -29,7 +29,10 @@ class TestArgParsingCourseExportOlx(unittest.TestCase):
         """
         Test export command with no arguments
         """
-        errstring = "Error: too few arguments"
+        if six.PY2:
+            errstring = "Error: too few arguments"
+        else:
+            errstring = "Error: the following arguments are required: course_id"
         with self.assertRaisesRegexp(CommandError, errstring):
             call_command('export_olx')