# -*- coding: utf-8 -*-
"""Custom error types"""
from ...errors import NoMetal  # pylint: disable=unused-import


class LowCoordinationNumber(KeyError):
    """Error for low coordination number"""


class HighCoordinationNumber(KeyError):
    """Error for high coordination number"""


class NoOpenDefined(KeyError):
    """Error in case the open check is not defined
    for this coordination number"""
