From 1403d35e2a107e0fc693a09898cf605bb18989ad Mon Sep 17 00:00:00 2001
From: David Lord <davidism@gmail.com>
Date: Tue, 11 May 2021 14:41:45 -0700
Subject: [PATCH] update type annotations

---
 src/flask/app.py           |  2 +-
 src/flask/json/__init__.py |  2 +-
 src/flask/templating.py    | 13 ++++++++-----
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/flask/app.py b/src/flask/app.py
index 85306d7c..f8856a52 100644
--- a/src/flask/app.py
+++ b/src/flask/app.py
@@ -704,7 +704,7 @@ class Flask(Scaffold):
             session=session,
             g=g,
         )
-        rv.policies["json.dumps_function"] = json.dumps  # type: ignore
+        rv.policies["json.dumps_function"] = json.dumps
         return rv
 
     def create_global_jinja_loader(self) -> DispatchingJinjaLoader:
diff --git a/src/flask/json/__init__.py b/src/flask/json/__init__.py
index 5a6e4942..5780e204 100644
--- a/src/flask/json/__init__.py
+++ b/src/flask/json/__init__.py
@@ -5,7 +5,7 @@ import uuid
 import warnings
 from datetime import date
 
-from jinja2.utils import htmlsafe_json_dumps as _jinja_htmlsafe_dumps  # type: ignore
+from jinja2.utils import htmlsafe_json_dumps as _jinja_htmlsafe_dumps
 from werkzeug.http import http_date
 
 from ..globals import current_app
diff --git a/src/flask/templating.py b/src/flask/templating.py
index 1987d9e9..bb3e7fd5 100644
--- a/src/flask/templating.py
+++ b/src/flask/templating.py
@@ -51,18 +51,21 @@ class DispatchingJinjaLoader(BaseLoader):
     def __init__(self, app: "Flask") -> None:
         self.app = app
 
-    def get_source(
+    def get_source(  # type: ignore
         self, environment: Environment, template: str
-    ) -> t.Tuple[str, t.Optional[str], t.Callable]:
+    ) -> t.Tuple[str, t.Optional[str], t.Optional[t.Callable]]:
         if self.app.config["EXPLAIN_TEMPLATE_LOADING"]:
             return self._get_source_explained(environment, template)
         return self._get_source_fast(environment, template)
 
     def _get_source_explained(
         self, environment: Environment, template: str
-    ) -> t.Tuple[str, t.Optional[str], t.Callable]:
+    ) -> t.Tuple[str, t.Optional[str], t.Optional[t.Callable]]:
         attempts = []
-        trv = None
+        rv: t.Optional[t.Tuple[str, t.Optional[str], t.Optional[t.Callable[[], bool]]]]
+        trv: t.Optional[
+            t.Tuple[str, t.Optional[str], t.Optional[t.Callable[[], bool]]]
+        ] = None
 
         for srcobj, loader in self._iter_loaders(template):
             try:
@@ -83,7 +86,7 @@ class DispatchingJinjaLoader(BaseLoader):
 
     def _get_source_fast(
         self, environment: Environment, template: str
-    ) -> t.Tuple[str, t.Optional[str], t.Callable]:
+    ) -> t.Tuple[str, t.Optional[str], t.Optional[t.Callable]]:
         for _srcobj, loader in self._iter_loaders(template):
             try:
                 return loader.get_source(environment, template)