Ambigious reference for ExtensionAttribute when using Iron Python in Asp.Net
问题 I get the following error when starting an Asp.Net site that uses an assembly that in turn makes use of the dlr and Iron Python for scripting. BC30560: 'ExtensionAttribute' is ambiguous in the namespace 'System.Runtime.CompilerServices'. The issue seems to be known and there's a workaround in the issue tracker. However it says that they... ... hope that this workaround will not be necessary in the next release. The latest release (the one that I'm using) is a later release than the one