def rejectReq(userName: str, client: Mongo):
    user: dict = client.get_doc({"username": userName},
                                getenv('PENDING_USER_COLLECTION'))

    if user == None:
        return "Username doesn't exists", False
    else:
        ret, msg = client.remove({"username": userName},
                                 getenv('PENDING_USER_COLLECTION'))
        if ret == True:
            return "User removed from the pending list", True
        else:
            return "Error ocurred while removing user from the pending list", False