Trac #31181: return added

sagemath · Jan 4, 2021 · 5ecbf3a · 5ecbf3a
1 parent 9d686f2
commit 5ecbf3a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sage/structure/mutability.pyx b/src/sage/structure/mutability.pyx
@@ -64,7 +64,7 @@ cdef class Mutability:
             sage: v.is_immutable()
             True
         """
-        self._is_immutable
+        return self._is_immutable
 
     def is_mutable(self):
         return not self._is_immutable