Rename a variable.

synapse/handlers/sso.py

@@ -37,10 +37,10 @@ class SsoHandler(BaseHandler):
     def render_error(
         self, request, error: str, error_description: Optional[str] = None
     ) -> None:
-        """Renders the error template and respond with it.
+        """Renders the error template and responds with it.
 
         This is used to show errors to the user. The template of this page can
-        be found under ``synapse/res/templates/sso_error.html``.
+        be found under `synapse/res/templates/sso_error.html`.
 
         Args:
             request: The incoming request from the browser.
@@ -77,14 +77,14 @@ class SsoHandler(BaseHandler):
             auth_provider_id,
             remote_user_id,
         )
-        registered_user_id = await self.store.get_user_by_external_id(
+        previously_registered_user_id = await self.store.get_user_by_external_id(
             auth_provider_id, remote_user_id,
         )
 
         # A match was found, return the user ID.
-        if registered_user_id is not None:
-            logger.info("Found existing mapping %s", registered_user_id)
-            return registered_user_id
+        if previously_registered_user_id is not None:
+            logger.info("Found existing mapping %s", previously_registered_user_id)
+            return previously_registered_user_id
 
         # No match.
         return None