From a2f9f6aa0dfe3b33f0d1dac2c9296fb022899cc4 Mon Sep 17 00:00:00 2001
From: Greg Finak <greg@ozette.ai>
Date: Fri, 13 Aug 2021 14:55:13 -0700
Subject: [PATCH] Catch a ValueError that is uncaught when credentials_store is
 missing a token key

---
 flask_oidc/__init__.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/flask_oidc/__init__.py b/flask_oidc/__init__.py
index 6ea1520..a68d05f 100644
--- a/flask_oidc/__init__.py
+++ b/flask_oidc/__init__.py
@@ -439,6 +439,10 @@ def authenticate_or_redirect(self):
                 logger.debug("Expired ID token, credentials missing",
                              exc_info=True)
                 return self.redirect_to_auth_server(request.url)
+            except ValueError:
+                logger.debug("Credentials missing",
+                             exc_info=True)
+                return self.redirect_to_auth_server(request.url)
 
             # refresh and store credentials
             try: