found 1.0.2-2 thanks the issue was not fixed in 1.0.2-2 as no setuptools build dependency was added. changing from non-setuptools to setuptools based builds withing a debian revision should not be done. The change of the egg file to egg directory will cause upgrade failures of this type: https://bugs.launchpad.net/bugs/793695 to work around that you need to use a preinst and remove the egg, see e.g. foolscap for an example.
Also the dh_python2 conversion (which was not even mentioned in the changelog!) was done wrongly. Please follow http://wiki.debian.org/Python/TransitionToDHPython2 and take note of jakubs comments in this bug.
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