Fix post-condition in unicode_repr(): check the result, not the input
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index a0d3056..98da9b3 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -11589,7 +11589,7 @@
         }
     }
     /* Closing quote already added at the beginning */
-    assert(_PyUnicode_CheckConsistency(unicode, 1));
+    assert(_PyUnicode_CheckConsistency(repr, 1));
     return repr;
 }