feat(issue22/server-flask): Checks payload is None

server/app/api/routes.py

@@ -13,6 +13,10 @@ def send_rfq():
     payload = request.json
     payload = json.loads(json.htmlsafe_dumps(payload))
 
+    if payload is None:
+        resp = jsonify(error="invalid data")
+        return make_response(resp, 400)
+
     if "email" not in payload:
         resp = jsonify(error="missing email")
         return make_response(resp, 400)