Strip leading/trailing slashes

app/__init__.py

@@ -11,6 +11,7 @@ app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_host=1)
 @app.route('/<path:path>')
 def index(path):
     base_url='https://' + (os.environ.get("GITLAB_HOSTNAME") or 'gitlab.com')
+    path=path.strip('/')
     if path:
         parts = path.split("/")
         group = False