DsosSchema initializer set its dcont using the supplied cont from the __init__() function argument, but then reset dcont to None. This seems to be a typological error. With dcont being None, the subsequent attributes obtain from DsosSchema will not be able to perform find because it does not have a reference to the DsosContainer.
DsosSchema initializer set its
dcontusing the suppliedcontfrom the__init__()function argument, but then resetdconttoNone. This seems to be a typological error. WithdcontbeingNone, the subsequent attributes obtain from DsosSchema will not be able to performfindbecause it does not have a reference to the DsosContainer.