Incrase coverage

manage.py

@@ -6,8 +6,8 @@ if __name__ == "__main__":
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ivatar.settings")
     try:
         from django.core.management import execute_from_command_line
-    except ImportError as exc:
-        raise ImportError(
+    except ImportError as exc:  # pragma: no cover
+        raise ImportError(  # pragma: no cover
             "Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
             "forget to activate a virtual environment?"