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#!/usr/bin/env python3
"""Some exceptions used elsewhere."""
# This module is commonly used by others in here and should avoid
# taking any unnecessary dependencies back on them.
class PreconditionException(AssertionError):
"""Use to indicate function preconditions violated."""
pass
class PostconditionException(AssertionError):
"""Use to indicate function postconditions violated."""
pass
class TimeoutError(Exception):
"""Use to indicate an operation that timed out."""
def __init__(self, value: str = "Timed out"):
super().__init__()
self.value = value
def __str__(self):
return repr(self.value)
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