diff --git a/CHECKS b/CHECKS
deleted file mode 100644
index cd5d101..0000000
--- a/CHECKS
+++ /dev/null
@@ -1,3 +0,0 @@
-WAIT=10
-TIMEOUT=10
-ATTEMPTS=5 # 10 * 5 = 50 secs
diff --git a/bot/handlers/callback_vouch.py b/bot/handlers/callback_vouch.py
index eb9b9f1..4dd938f 100644
--- a/bot/handlers/callback_vouch.py
+++ b/bot/handlers/callback_vouch.py
@@ -59,7 +59,7 @@ async def handle_button(callback_query):
                 actor["children"].append(str(newcomer_id))
                 Profile.save(actor)
 
-            chat_id = str(callback_query["message"]["chat"]["id"])
+            chat_id = str(vars(callback_query["message"]["chat"])["id"])
 
             print("accept join request")
             r = await approve_chat_join_request(chat_id, newcomer_id)
diff --git a/bot/handlers/handle_feedback.py b/bot/handlers/handle_feedback.py
index 4744408..1050f82 100644
--- a/bot/handlers/handle_feedback.py
+++ b/bot/handlers/handle_feedback.py
@@ -3,12 +3,9 @@ import json
 from api import (
     send_message,
     forward_message,
-    delete_message,
     get_chat_administrators,
 )
-from handlers.send_button import show_request_msg
-from utils.mention import userdata_extract
-from storage import storage, Profile
+from storage import storage
 from config import FEEDBACK_CHAT_ID
 import logging
 logger = logging.getLogger(__name__)
@@ -45,7 +42,7 @@ async def handle_answer(msg):
     answered_msg = msg.get("reply_to_message")
     if answered_msg:
         if "from" not in answered_msg:
-            answered_msg["from"] = vars(msg.from_user)
+            answered_msg["from"] = msg.get("from_user")
         r = await get_chat_administrators(msg["chat"]["id"])
         logger.debug(r)
         admins = []