fix KeyError

modules/config.py

@@ -45,6 +45,7 @@ class Config:
                 new_config["tmdb"] = {}
             replace_attr(new_config, "cache", "cache")
             replace_attr(new_config, "cache_expiration", "cache")
+            if "config" in new_config:
                 del new_config["cache"]
             replace_attr(new_config, "asset_directory", "plex")
             replace_attr(new_config, "sync_mode", "plex")