From c64ecf58089dffb14b27e4ef2f70216c4e0ad370 Mon Sep 17 00:00:00 2001
From: Matan Gover <matangover@gmail.com>
Date: Thu, 9 Jul 2020 03:41:11 +0300
Subject: [PATCH] Flask.root_path cannot be None (#4319)

Extension of #2792 (see #2791). See [implementation](https://github.com/pallets/flask/blob/4e854ee49687ceac90985526928d901570d3585d/src/flask/helpers.py#L959).
---
 third_party/2and3/flask/app.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/third_party/2and3/flask/app.pyi b/third_party/2and3/flask/app.pyi
index 564269273..a71e7d81b 100644
--- a/third_party/2and3/flask/app.pyi
+++ b/third_party/2and3/flask/app.pyi
@@ -83,7 +83,7 @@ class Flask(_PackageBoundObject):
     session_interface: Any = ...
     import_name: str = ...
     template_folder: str = ...
-    root_path: Optional[Union[str, Text]] = ...
+    root_path: Union[str, Text] = ...
     static_url_path: Any = ...
     static_folder: Optional[str] = ...
     instance_path: Union[str, Text] = ...