fix email endpoint to stop throwing json errors when 'metadata' section not in args

services/capability/test/test_capability_views.py

@@ -20,8 +20,8 @@ Tests that test the view functionality of our capability REST API.
 The logic can be found in `capability/views/capability.py`.
 """
 import http
+import pytest
 
-import pytest as pytest
 from pyramid.config import Configurator
 from pyramid.httpexceptions import (
     HTTPBadRequest,
@@ -31,8 +31,6 @@ from pyramid.httpexceptions import (
 )
 from pyramid.testing import DummyRequest
 
-import pytest
-
 
 def test_view_capability(test_config: Configurator, request_null_capability: DummyRequest):
     """