Fixed an issue where query tool is crashing on macOS 15.4 due to a locale issue. #8623

Author: adityatoshniwal

docs/en_US/release_notes_9_2.rst

@@ -50,4 +50,5 @@ Bug fixes
   | `Issue #8577 <https://github.com/pgadmin-org/pgadmin4/issues/8577>`_ -  Fixed an issue where the upgrade_check API returned an unexpected keyword argument 'cafile' due to changes in the urllib package supporting Python v3.13.
   | `Issue #8597 <https://github.com/pgadmin-org/pgadmin4/issues/8597>`_ -  Fixed an issue where delete/rename was done on wrong file after sorting in Storage Manager.
   | `Issue #8602 <https://github.com/pgadmin-org/pgadmin4/issues/8602>`_ -  Fixed an XSS vulnerability issue in the Query Tool and View/Edit Data (CVE-2025-2946).
-  | `Issue #8603 <https://github.com/pgadmin-org/pgadmin4/issues/8603>`_ -  Fixed a remote code execution issue in the Query Tool and Cloud Deployment (CVE-2025-2945).
+  | `Issue #8603 <https://github.com/pgadmin-org/pgadmin4/issues/8603>`_ -  Fixed a remote code execution issue in the Query Tool and Cloud Deployment (CVE-2025-2945).
+  | `Issue #8623 <https://github.com/pgadmin-org/pgadmin4/issues/8623>`_ -  Fixed an issue where query tool is crashing on macOS 15.4 due to a locale issue.

web/pgadmin/browser/__init__.py

@@ -516,8 +516,8 @@ def utils():
     if current_app.PGADMIN_RUNTIME:
         import locale
         try:
-            locale_info = locale.getdefaultlocale()
-            if len(locale_info) > 0:
+            locale_info = locale.getlocale()
+            if len(locale_info) > 0 and locale_info[0] != 'C':
                 default_locale = locale_info[0].replace('_', '-')
         except Exception:
             current_app.logger.debug('Failed to get the default locale.')