matomo: force english for API error messages (#37727)

hobo/matomo/utils.py

@@ -155,6 +155,7 @@ class MatomoWS(object):
     def call(self, data):
         data['module'] = 'API'
         data['token_auth'] = self.token_auth
+        data['language'] = 'en'
         resp = requests.post(self.url_ws_base, data=data)
         if resp.status_code != 200:
             raise MatomoException('unexpected status code: %s' % resp.status_code)