Traceback (most recent call last):

 "/home/flub/.emacs.d/elpa/elpy-1.8.0/elpy/jedibackend.py", line 216, in run_with_debug
return getattr(script, name)()

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/api/__init__.py", line 185, in completions
user_stmt = self._parser.user_stmt_with_whitespace()

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/cache.py", line 143, in wrapper
result = func(self)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/user_context.py", line 303, in user_stmt_with_whitespace
user_stmt = self.user_stmt()

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/cache.py", line 143, in wrapper
result = func(self)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/user_context.py", line 293, in user_stmt
module = self.module()

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/user_context.py", line 339, in module
return self._parser().module

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/cache.py", line 143, in wrapper
result = func(self)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/user_context.py", line 283, in _parser
parser = FastParser(self._grammar, self._source, self._path)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/fast.py", line 109, in __call__
p.update(source)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/fast.py", line 257, in update
self._parse(source)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/fast.py", line 397, in _parse
line_offset, nodes)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/fast.py", line 435, in _get_node
p = Parser(self._grammar, parser_code, self.module_path, tokenizer=tokenizer)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/__init__.py", line 155, in __init__
self.module = p.parse(self._tokenize(tokenizer))

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/pgen2/parse.py", line 106, in parse
if self.addtoken(type, value, prefix, start_pos):

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/pgen2/parse.py", line 170, in addtoken
value, start_pos, prefix, self.addtoken)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/__init__.py", line 269, in error_recovery
self._stack_removal(grammar, stack, index + 1, value, start_pos)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/__init__.py", line 304, in _stack_removal
clear_names(children=node[1])

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/__init__.py", line 294, in clear_names
clear_names(c.children)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/__init__.py", line 294, in clear_names
clear_names(c.children)

 "/home/flub/Abilisoft/topoenv/envs/topology/lib/python3.4/site-packages/jedi/parser/__init__.py", line 298, in clear_names
self._scope_names_stack[-1][c.value].remove(c)KeyError: 'pytest'
Traceback (most recent call last):


 "C:\work\python\LINEAR~1\build\LINEAR~1.DIS\LinearityMeasure.pyw", line 139, in <module>

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg


 "<frozen importlib._bootstrap>", line 983, in _find_and_load


 "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 677, in _load_unlocked


 "C:\work\python\LINEAR~1\build\LINEAR~1.DIS\matplotlib\__init__.py", line 926, in <module matplotlib>


 "C:\work\python\LINEAR~1\build\LINEAR~1.DIS\matplotlib\__init__.py", line 929, in <dictcontraction>


 "C:\work\python\LINEAR~1\build\LINEAR~1.DIS\matplotlib\__init__.py", line 708, in __getitem__
KeyError: 'backend_fallback'
