mpdh13: PEP8 (#31445)

tests/test_mdph13.py

@@ -264,7 +264,7 @@ def test_check_status_no_link(mdph13):
     assert Link.objects.count() == 0
     try:
         mdph13.check_status()
-    except Exception as e:
+    except Exception:
         pytest.fail('check_status() should not raise')
 
 
@@ -357,7 +357,7 @@ def test_link_ok(mdph13, mock_http):
     # check relinking with update
     mock_http.add_response(VALID_RESPONSE)
     response = mdph13.link(request=None, NameID=NAME_ID,
-                           numero_dossier=FILE_NUMBER, secret=SECRET+'a',
+                           numero_dossier=FILE_NUMBER, secret=SECRET + 'a',
                            date_de_naissance=DOB_ISOFORMAT, email=EMAIL)
     assert response == {
         'link_id': link.pk,