Packaging does not work anymore

00:00:22.409 Traceback (most recent call last):
00:00:22.409   File "setup.py", line 549, in <module>
00:00:22.409     sys.exit(main())
00:00:22.409   File "setup.py", line 545, in main
00:00:22.409     NuxeoDriveSetup(attribs)
00:00:22.409   File "setup.py", line 536, in __init__
00:00:22.409     **freeze_options
00:00:22.409   File "/opt/jenkins/workspace/Drive/Drive-packages/sources/nx_cx_Freeze/__init__.py", line 173, in setup
00:00:22.409     cx_setup(**attrs)
00:00:22.409   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/site-packages/cx_Freeze-4.3.3-py2.7-linux-x86_64.egg/cx_Freeze/dist.py", line 362, in setup
00:00:22.409     distutils.core.setup(**attrs)
00:00:22.409   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/distutils/core.py", line 151, in setup
00:00:22.409     dist.run_commands()
00:00:22.409   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/distutils/dist.py", line 953, in run_commands
00:00:22.409     self.run_command(cmd)
00:00:22.409   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/distutils/dist.py", line 972, in run_command
00:00:22.409     cmd_obj.run()
00:00:22.409   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/site-packages/esky/bdist_esky/__init__.py", line 312, in run
00:00:22.667     self._run()
00:00:22.667   File "/opt/jenkins/workspace/Drive/Drive-packages/sources/nx_esky/__init__.py", line 61, in _run
00:00:22.667     self._run_freeze_scripts()
00:00:22.667   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/site-packages/esky/bdist_esky/__init__.py", line 345, in _run_freeze_scripts
00:00:22.667     self.freezer_module.freeze(self)
00:00:22.667   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/site-packages/esky/bdist_esky/f_cxfreeze.py", line 71, in freeze
00:00:22.667     f.Freeze()
00:00:22.667   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/site-packages/cx_Freeze-4.3.3-py2.7-linux-x86_64.egg/cx_Freeze/freezer.py", line 610, in Freeze
00:00:22.667     self.compress, self.copyDependentFiles)
00:00:22.667   File "/opt/jenkins/workspace/Drive/Drive-packages/deploy-dir/.pyenv/versions/2.7.14/lib/python2.7/site-packages/cx_Freeze-4.3.3-py2.7-linux-x86_64.egg/cx_Freeze/freezer.py", line 586, in _WriteModules
00:00:22.667     path = os.pathsep.join([origPath] + module.parent.path)
00:00:22.667 TypeError: can only concatenate list (not "NoneType") to list