"""
This type stub file was generated by pyright.
"""

"""Utilities for working with data structures like lists, dicts and tuples.
"""
def uniq_stable(elems):
    """uniq_stable(elems) -> list

    Return from an iterable, a list of all the unique elements in the input,
    but maintaining the order in which they first appear.

    Note: All elements in the input must be hashable for this routine
    to work, as it internally uses a set for efficiency reasons.
    """
    ...

def chop(seq, size):
    """Chop a sequence into chunks of the given size."""
    ...