"SocialBlueprint" -> "cls" in "create_bp"
"SocialBlueprint" -> "cls" in "create_bp"

If you extend SocialBlueprint class, you should necessarily override "create_bp" method because "SocialBlueprint" is hardcoded in it. After this commit it is not required to do this anymore
wooyek/flask-social-blueprint,wooyek/flask-social-blueprint