From 30716c67a16fca836c447a263a87025ba080a6f2 Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Fri, 15 Apr 2022 11:44:48 -0700
Subject: [PATCH] Also add error_scope assignment operator to complete the
 rule-of-3 (follow-on to PR #3870). (#3872)

---
 include/pybind11/detail/common.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/pybind11/detail/common.h b/include/pybind11/detail/common.h
index b49313e44..a130ebea0 100644
--- a/include/pybind11/detail/common.h
+++ b/include/pybind11/detail/common.h
@@ -993,6 +993,7 @@ struct error_scope {
     PyObject *type, *value, *trace;
     error_scope() { PyErr_Fetch(&type, &value, &trace); }
     error_scope(const error_scope &) = delete;
+    error_scope &operator=(const error_scope &) = delete;
     ~error_scope() { PyErr_Restore(type, value, trace); }
 };