Simple priority queue implementation for Python3

PriorityQueue.py

class PriorityQueue:
    """
        Priority queue implementation
        by BDeliers, June 2018
    """

    def __init__(self):
        self.__queue = []

    def __repr__(self):
        return self.__queue.__repr__()

    def push(self, val):
        i = 0
        while (i < len(self.__queue) and val <= self.__queue[i]):
            i += 1
        self.__queue.insert(i, val)

    def pop(self):
        val = self.__queue[-1]
        del self.__queue[-1]
        return val

    def empty(self):
        return len(self.__queue) == 0