B
    d                 @   s    d dl mZ dd fddZdS )    )consumec             C   s   | S )N )xr   r   G/var/www/html/venv/lib/python3.7/site-packages/setuptools/_itertools.py<lambda>       r   c             c   sL   t  }|j}x:| D ]2}||}||kr6td|d|| |V  qW dS )a  
    Wrap an iterable to raise a ValueError if non-unique values are encountered.

    >>> list(ensure_unique('abc'))
    ['a', 'b', 'c']
    >>> consume(ensure_unique('abca'))
    Traceback (most recent call last):
    ...
    ValueError: Duplicate element 'a' encountered.
    zDuplicate element z encountered.N)setadd
ValueError)iterablekeyseenZseen_addelementkr   r   r   ensure_unique   s    
r   N)Z setuptools.extern.more_itertoolsr   r   r   r   r   r   <module>   s   