py3: call branchmap.items() on py3 and continue to call iteritems() on py2 Mercurial's source transformer also replaces the 'def iteritems(' in branchmap by 'def items(', so we need to call whichever version is there.

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# name space package to host third party extensions

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from __future__ import absolute_import

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import pkgutil

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__path__ = pkgutil.extend_path(__path__, __name__)