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'

Traceback (most recent call last):


 "c:\python27\lib\runpy.py", line 174, in _run_module_as_main

"__main__", fname, loader, pkg_name)


 "c:\python27\lib\runpy.py", line 72, in _run_code

exec code in run_globals


 "C:\Python27\Scripts\pipenv.exe\__main__.py", line 9, in <module>


 "c:\python27\lib\site-packages\pipenv\vendor\click\core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "c:\python27\lib\site-packages\pipenv\vendor\click\core.py", line 697, in main

rv = self.invoke(ctx)


 "c:\python27\lib\site-packages\pipenv\vendor\click\core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "c:\python27\lib\site-packages\pipenv\vendor\click\core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "c:\python27\lib\site-packages\pipenv\vendor\click\core.py", line 535, in invoke

return callback(*args, **kwargs)


 "c:\python27\lib\site-packages\pipenv\cli.py", line 664, in shell

three=three, python=python, fancy=fancy, shell_args=shell_args, pypi_mirror=pypi_mirror


 "c:\python27\lib\site-packages\pipenv\core.py", line 2159, in do_shell

shell.fork(*fork_args)


 "c:\python27\lib\site-packages\pipenv\shells.py", line 97, in fork

_handover(self.cmd, self.args + list(args))


 "c:\python27\lib\site-packages\pipenv\shells.py", line 62, in _handover

proc = subprocess.run(args, shell=True, universal_newlines=True)
AttributeError: 'module' object has no attribute 'run'`
