Features: 1) Log detailed traceback for unexpected authentication errors.

Fixes: 1) Handle generic exceptions during user authentication.

Extra: 1) Add `traceback` import for logging exceptions.

evibes/middleware.py

@@ -1,4 +1,5 @@
 import logging
+import traceback
 from os import getenv
 
 from django.contrib.auth.models import AnonymousUser
@@ -60,6 +61,10 @@ class GrapheneJWTAuthorizationMiddleware:
             user = AnonymousUser()
         except TypeError:
             user = AnonymousUser()
+        except Exception as e:
+            logger.warning("Could not authenticate user: %s", str(e))
+            logger.debug(traceback.format_exc())
+            user = AnonymousUser()
         return user