class documentation

class _ColumnMapping(dict):

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Error reporting helper for mapper._columntoproperty.
Method __init__ Undocumented
Method __missing__ Undocumented
Class Variable __slots__ Undocumented
Instance Variable mapper Undocumented
def __init__(self, mapper):

Undocumented

def __missing__(self, column):

Undocumented

__slots__: tuple[str, ...] =

Undocumented

mapper =

Undocumented