class Aviral:
    def go_to_newyork(self, Gauri ob):
        if ob.available_in_new_york:
            return True
        return False

class Gauri:
    def gauri_in_new_york(self):
        value =  "something" # pull from db
        return value
    def available_in_new_york(self):
        if self.gauri_in_new_york():
            return True
        return False