Fix flask run by not monkey patching for gevent in wsgi.py (#1101)

* Fixes `flask run` debug server by not monkey patching in `wsgi.py` * Closes #1099
CTFd · Sep 5, 2019 · 7a7595c · 7a7595c
1 parent 3b1b82b
commit 7a7595c
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/wsgi.py b/wsgi.py
@@ -1,8 +1,14 @@
-from gevent import monkey
-monkey.patch_all()
+import os
+
+# Detect if we're running via `flask run` and don't monkey patch
+if not os.getenv("FLASK_RUN_FROM_CLI"):
+    from gevent import monkey
+
+    monkey.patch_all()
+
 from CTFd import create_app
 
 app = create_app()
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     app.run(debug=True, threaded=True, host="127.0.0.1", port=4000)