#113 fix sanic url_prefix

Author: gusibi

.gitignore

@@ -103,6 +103,7 @@ pip-selfcheck.json
 # mkdocs documentation
 /site
 
+*.DS_Store
 *.swp
 example-app
 

swagger_py_codegen/templates/sanic/blueprint.tpl

@@ -11,7 +11,7 @@ from .validators import security
 def current_scopes(request):
     return {{ scopes_supported }}
 
-bp = Blueprint('{{ blueprint }}', __name__)
+bp = Blueprint('{{ blueprint }}', url_prefix='/{{ blueprint }}')
 
 for route in routes:
     route.pop('endpoint', None)