Pass an initial non-None app to create_app

Author: smurfix

flask_script/__init__.py

@@ -355,6 +355,8 @@ def handle(self, prog, args=None):
             app_parser.error('too many arguments')
 
         args = []
+        if self.app is not None:
+            args.append(self.app)
         for handle in func_stack:
 
             # get only safe config options