from typing import List
import collections


def unique(list_: List) -> List:
    """Remove duplicate entries from list, keeping it in its original order

    >>> unique([1, 2, 2, 3, 4, 6, 2, 5])
    [1, 2, 3, 4, 6, 5]

    >>> unique(['bb', 'aa', 'aa', 'aa', 'aa', 'aa', 'bb'])
    ['bb', 'aa']
    """
    return list(collections.OrderedDict.fromkeys(list_))