Am 18.04.2014 13:48, schrieb Peter Otten: > Egon Frerich wrote: > > > Basically Python 3 allows for packages to omit the __init__.py > > $ mkdir aaa > $ python3 -c'import aaa; print(aaa)' > <module 'aaa' (namespace)> > $ touch aaa/__init__.py > $ python3 -c'import aaa; print(aaa)' > <module 'aaa' from './aaa/__init__.py'> > > Namespace packages have advantages when you want to merge submodules from > multiple places into one package. See > <http://legacy.python.org/dev/peps/pep-0420/> for the details. > > Your actual problem is probably that the parent directory for the mptt > package is not in your sys.path,
The init-file in the parent directory was copied and had got the wrong ownership. Thanks Peter Egon
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