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):


 "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main

"__main__", fname, loader, pkg_name)


 "/usr/lib/python2.7/runpy.py", line 72, in _run_code

exec code in run_globals


 "/home/ubuntu/spaCy/spacy/__main__.py", line 133, in <module>

plac.Interpreter.call(CLI)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 1142, in call

print(out)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 914, in __exit__

self.close(exctype, exc, tb)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 952, in close

self._interpreter.throw(exctype, exc, tb)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 964, in _make_interpreter

arglist = yield task


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 1139, in call

raise_(task.etype, task.exc, task.tb)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 380, in _wrap

for value in genobj:


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 95, in gen_exc

raise_(etype, exc, tb)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_ext.py", line 966, in _make_interpreter

cmd, result = self.parser.consume(arglist)


 "/home/ubuntu/spaCy/.env/local/lib/python2.7/site-packages/plac_core.py", line 207, in consume

return cmd, self.func(*(args + varargs + extraopts), **kwargs)


 "/home/ubuntu/spaCy/spacy/__main__.py", line 95, in train

not no_parser, not no_ner, parser_L1)


 "/home/ubuntu/spaCy/spacy/cli/train.py", line 39, in train

entity_cfg, n_iter)


 "/home/ubuntu/spaCy/spacy/cli/train.py", line 68, in train_model

**dev_scores.scores)
AttributeError: 'list' object has no attribute 'scores'
