Traceback (most recent call last):


 "generate.py", line 42, in <module>

main()


 "generate.py", line 38, in main

f.write(composer.to_dockerfile())


 "/home/deepo/deepo/generator/core/composer.py", line 59, in to_dockerfile

]) for m in self.instances


 "/home/deepo/deepo/generator/modules/python.py", line 17, in build

if self.composer.ubuntu_ver.startswith("18."):
AttributeError: 'NoneType' object has no attribute 'startswith'
Traceback (most recent call last):


 "/Users/igortkachenko/Tools/kivy-designer/venv/lib/python3.6/site-packages/kivy/uix/widget.py", line 265, in _widget_destructor


 "/Users/igortkachenko/Tools/kivy-designer/venv/lib/python3.6/site-packages/kivy/lang/builder.py", line 760, in unbind_widget


 "kivy/weakproxy.pyx", line 30, in kivy.weakproxy.WeakProxy.__getattr__
AttributeError: 'weakref' object has no attribute 'cline_in_traceback'
