On Friday, July 8, 2016 at 7:38:56 PM UTC+12, Peter Otten wrote: > There is a test > > if not object: > raise ImportError('no Python documentation found for %r' % thing) > > in the pydoc module. So all you need is to ensure that your Registry > evaluates to True in a boolean context, e. g. by putting something into it:
And there are still those who think that Python’s lax acceptance of non-boolean values as booleans is a good idea... -- https://mail.python.org/mailman/listinfo/python-list