make a copy of the environ dict

miguelgrinberg · Dec 16, 2016 · be08858 · be08858
1 parent 7724565
commit be08858
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/flask_socketio/__init__.py b/flask_socketio/__init__.py
@@ -36,6 +36,7 @@ def __init__(self, socketio_app, flask_app, socketio_path='socket.io'):
                                                   socketio_path)
 
     def __call__(self, environ, start_response):
+        environ = environ.copy()
         environ['flask.app'] = self.flask_app
         return super(_SocketIOMiddleware, self).__call__(environ,
                                                          start_response)