From 07c3f4b88a5a8c007ff6b1d4e1aaf26486e5e46b Mon Sep 17 00:00:00 2001
From: krangelov <kr.angelov@gmail.com>
Date: Mon, 27 Sep 2021 07:27:44 +0200
Subject: [PATCH] fix Expr_visit

---
 src/runtime/python/expr.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/runtime/python/expr.c b/src/runtime/python/expr.c
index efa1a64f9..9f88db9d4 100644
--- a/src/runtime/python/expr.c
+++ b/src/runtime/python/expr.c
@@ -280,6 +280,9 @@ Expr_visit(ExprObject* self, PyObject *args)
                 if (PyObject_TypeCheck(arg, &pgf_ExprImplArgType)) {
                     arg = ((ExprImplArgObject *) arg)->expr;
                 }
+                if (PyObject_TypeCheck(arg, &pgf_ExprTypedType)) {
+                    arg = ((ExprTypedObject *) arg)->expr;
+                }
 
                 Py_INCREF(arg);
                 if (PyTuple_SetItem(method_args, i, (PyObject *) arg) == -1) {
@@ -300,7 +303,11 @@ Expr_visit(ExprObject* self, PyObject *args)
 				return NULL;
 			}
 
-			return PyObject_CallObject(method, method_args);
+			PyObject *res = PyObject_CallObject(method, method_args);
+
+            Py_DECREF(method_args);
+
+            return res;
 		}
 	}