Fix crash on no signature

diff --git a/app/blueprints/users/claim.py b/app/blueprints/users/claim.py
index b8b562e03070cc4fbe08270a0ebbbc36197d85f8..ad5aa2c72e78f87017d6c85e3f5594d98a186afc 100644 (file)
--- a/app/blueprints/users/claim.py
+++ b/app/blueprints/users/claim.py
@@ -87,7 +87,7 @@ def claim():
                                return redirect(url_for("users.claim", username=username))
 
                        # Look for key
-                       if token in sig:
+                       if sig and token in sig:
                                if user is None:
                                        user = User(username)
                                        user.forums_username = username