This error may come from a locally installed version of python-setuptools.
To fix similar problem python-central should get a "PYTHON_CENTRAL_OVERWRITE_LOCAL" environemtn var that the dist-upgrader can set to ensure that the postinst scripts will not fail.
This error may come from a locally installed version of python-setuptools.
To fix similar problem python-central should get a "PYTHON_ CENTRAL_ OVERWRITE_ LOCAL" environemtn var that the dist-upgrader can set to ensure that the postinst scripts will not fail.