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-rw-r--r--Python/ast.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Python/ast.c b/Python/ast.c
index 4ae9d75..d2f063b 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -3395,6 +3395,7 @@ parsestrplus(struct compiling *c, const node *n, int *bytesmode)
goto onError;
if (*bytesmode != subbm) {
ast_error(n, "cannot mix bytes and nonbytes literals");
+ Py_DECREF(s);
goto onError;
}
if (PyBytes_Check(v) && PyBytes_Check(s)) {