Update app.py

app.py

@@ -13,7 +13,7 @@ def generate_release_notes(github_url, github_token, gemini_api_key, start_date,
         parsed_url = urlparse(github_url)
         path_parts = parsed_url.path.strip('/').split('/')
         owner = path_parts[0]
-        repo_name = path_parts[1].rstrip('.git')
+        repo_name = '/'.join(path_parts[1:]).rstrip('.git')
         
         # Get the repository
         repo = g.get_repo(f"{owner}/{repo_name}")