Update session.py

session.py

@@ -85,7 +85,6 @@ class Session:
     def set_version_config(self, config: VersionConfig) -> None:
         """Set transient version config"""
         self._version_config = config
-        self.version_id = config.id if config else None
     
     def get_version_config(self) -> Optional[VersionConfig]:
         """Get transient version config"""