1. Move deployment_type to configuration.toml

2. Lint
3. Inject GitHub app installation ID into GitHub provider using the settings mechanism.

pr_agent/servers/gitlab_polling.py

@@ -1,12 +1,11 @@
 import asyncio
 import time
-from urllib.parse import urlparse
+
 import gitlab
+
 from pr_agent.agent.pr_agent import PRAgent
-
 from pr_agent.config_loader import settings
 
-
 gl = gitlab.Gitlab(
     settings.get("GITLAB.URL"),
     private_token=settings.get("GITLAB.PERSONAL_ACCESS_TOKEN")