Update version to Flask 2

charris-msft · web-flow · commit 3f4653bca1a5 · 2022-03-31T12:09:30.000-07:00
Flask 1 returns an import error
[cannot import name 'escape' from 'jinja2']
diff --git a/requirements.txt b/requirements.txt
@@ -1 +1 @@
-Flask>=1.0,<=1.1.2
+Flask>=2.0,<=2.1.1
