This is the patch to apply before regenerating new cassettes used by functional tests in the securedrop-client

cassette-generation.patch

user@dev:~/src/securedrop$ git diff
diff --git a/securedrop/models.py b/securedrop/models.py
index ad991e6c3..1c954b9a6 100644
--- a/securedrop/models.py
+++ b/securedrop/models.py
@@ -658,6 +658,7 @@ class Journalist(db.Model):
 
         try:
             user = Journalist.query.filter_by(username=username).one()
+            return user
         except NoResultFound:
             raise InvalidUsernameException(
                 "invalid username '{}'".format(username))