http://mmgen-wallet.i2p/project/mmgen/mmgen-wallet/commit/424c9f15936d10256d1abd88c258b97c5fda7066
__str__()) @@ -533,7 +530,7 @@ class CoinAmt(Decimal,Hilite,InitErrors): # abstract class """ we must allow other to be int(0) to use the sum() builtin """ - if other != 0 and type(other) not in ( type(self), DecimalNegateResult ): + if type(other) not in ( type(self), DecimalNegateResult ) and other != 0 : raise ValueError( f'operand {other} of incorrect type ({type(other).