diff --git a/src/test/modules/oauth_validator/t/oauth_server.py b/src/test/modules/oauth_validator/t/oauth_server.py
index 5bc30be87fd..133fe496cfc 100755
--- a/src/test/modules/oauth_validator/t/oauth_server.py
+++ b/src/test/modules/oauth_validator/t/oauth_server.py
@@ -316,11 +316,13 @@ class OAuthHandler(http.server.BaseHTTPRequestHandler):
         return resp
 
     def token(self) -> JsonObject:
-        if err := self._get_param("error_code", None):
+        err = self._get_param("error_code", None)
+        if err:
             self._response_code = self._get_param("error_status", 400)
 
             resp = {"error": err}
-            if desc := self._get_param("error_desc", ""):
+            desc = self._get_param("error_desc", "")
+            if desc:
                 resp["error_description"] = desc
 
             return resp