From ac4eb7478109027af4460a8fdf85ab7a2d5fe3c4 Mon Sep 17 00:00:00 2001
From: mver-al <114071453+mver-al@users.noreply.github.com>
Date: Wed, 8 Jan 2025 16:03:50 +0100
Subject: [PATCH] Allow setting password to None.

---
 asyncua/client/client.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/asyncua/client/client.py b/asyncua/client/client.py
index 758b0a10d..755b94329 100644
--- a/asyncua/client/client.py
+++ b/asyncua/client/client.py
@@ -143,12 +143,12 @@ def set_user(self, username: str) -> None:
         """
         self._username = username
 
-    def set_password(self, pwd: str) -> None:
+    def set_password(self, pwd: str | None) -> None:
         """
         Set user password for the connection.
         initial password from the URL will be overwritten
         """
-        if not isinstance(pwd, str):
+        if pwd is not None and not isinstance(pwd, str):
             raise TypeError(f"Password must be a string, got {pwd} of type {type(pwd)}")
         self._password = pwd