Merge pull request #85 from Azure-Samples/remove-flask-family-upperbound

Remove Flask family's upper bound

Author: rayluo

requirements.txt

@@ -1,7 +1,15 @@
-# Flask 1.* used to work, until their upstream package brought in a breaking change https://github.com/pallets/markupsafe/issues/286
-Flask>=2,<3
+## The following combination still work, but later versions of 1.x were broken
+# due to their upstream package brought in a breaking change
+# https://github.com/pallets/markupsafe/issues/286
+# Flask==1.1.4
+# werkzeug==1.0.1
+# Jinja2==2.11.3
+# MarkupSafe==2.0.1
+#
+# Since Flask family do not use semantic versioning, we remove our upper bound here
+Flask>=2
+werkzeug>=2
 
-werkzeug>=1,<2
 flask-session>=0.3.2,<0.5
 requests>=2,<3
 msal>=1.7,<2