1 files changed, 5 insertions, 1 deletions
diff --git a/Python/compile.c b/Python/compile.c
index 5f26da8..558df3f 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1736,8 +1736,12 @@ compiler_enter_scope(struct compiler *c, identifier name,
     Py_INCREF(name);
     u->u_name = name;
     u->u_varnames = list2dict(u->u_ste->ste_varnames);
+    if (!u->u_varnames) {
+        compiler_unit_free(u);
+        return 0;
+    }
     u->u_cellvars = dictbytype(u->u_ste->ste_symbols, CELL, 0, 0);
-    if (!u->u_varnames || !u->u_cellvars) {
+    if (!u->u_cellvars) {
         compiler_unit_free(u);
         return 0;
     }