Add re.sub for blueprint add_url_rule handler, prevent '/a//b/'(blueprint.url_prefix='/a/' and the route is '/b/') happened.
Add re.sub for blueprint add_url_rule handler, prevent '/a//b/'(blueprint.url_prefix='/a/' and the route is '/b/') happened.

mitsuhiko/flask,fkazimierczak/flask,pallets/flask,fkazimierczak/flask,pallets/flask,fkazimierczak/flask,pallets/flask,drewja/flask,drewja/flask,mitsuhiko/flask,drewja/flask