Update forms.py

saxix · Apr 13, 2022 · 00f0cc5 · 00f0cc5
1 parent a2c009e
commit 00f0cc5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/concurrency/forms.py b/src/concurrency/forms.py
@@ -115,7 +115,7 @@ def prepare_value(self, value):
         return SignedValue(self._signer.sign(value))
 
     def to_python(self, value):
-        value = super().to_python(value)
+        value = super().to_python(value) or 0
         try:
             return int(self._signer.unsign(value))
         except BadSignature: