Preparing to unpack .../python-pkg-resources_3.3-1ubuntu2_all.deb ...
/var/lib/dpkg/info/python-pkg-resources.prerm: 6: /var/lib/dpkg/info/python-pkg-resources.prerm: pyclean: Permission denied
dpkg: warning: subprocess old pre-removal script returned error exit status 126
dpkg: trying script from the new package instead ...
/var/lib/dpkg/tmp.ci/prerm: 6: /var/lib/dpkg/tmp.ci/prerm: pyclean: Permission denied
dpkg: error processing archive /var/cache/apt/archives/python-pkg-resources_3.3-1ubuntu2_all.deb (--unpack):
 subprocess new pre-removal script returned error exit status 126
/var/lib/dpkg/info/python-pkg-resources.postinst: 6: /var/lib/dpkg/info/python-pkg-resources.postinst: pycompile: Permission denied
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 126
Preparing to unpack .../python-requests_2.2.1-1ubuntu0.3_all.deb ...
/var/lib/dpkg/info/python-requests.prerm: 6: /var/lib/dpkg/info/python-requests.prerm: pyclean: Permission denied
dpkg: warning: subprocess old pre-removal script returned error exit status 126
dpkg: trying script from the new package instead ...
/var/lib/dpkg/tmp.ci/prerm: 6: /var/lib/dpkg/tmp.ci/prerm: pyclean: Permission denied
dpkg: error processing archive /var/cache/apt/archives/python-requests_2.2.1-1ubuntu0.3_all.deb (--unpack):
 subprocess new pre-removal script returned error exit status 126