__Scratch__

[deoplete] Traceback (most recent call last):
[deoplete]   File "/Users/lynn/.vim/bundle/deoplete.nvim/rplugin/python3/deoplete/deoplete.py", line 55, in completion_begin
[deoplete]     complete_position, candidates = self.gather_candidates(context)
[deoplete]   File "/Users/lynn/.vim/bundle/deoplete.nvim/rplugin/python3/deoplete/deoplete.py", line 90, in gather_candidates
[deoplete]     results = self.gather_results(context)
[deoplete]   File "/Users/lynn/.vim/bundle/deoplete.nvim/rplugin/python3/deoplete/deoplete.py", line 120, in gather_results
[deoplete]     charpos = source.get_complete_position(cont)
[deoplete]   File "/Users/lynn/.vim/bundle/deoplete.nvim/rplugin/python3/deoplete/sources/omni.py", line 68, in get_complete_position
[deoplete]     m = re.search('(' + input_pattern + ')$', context['input'])
[deoplete]   File "/usr/local/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/re.py", line 173, in search
[deoplete]     return _compile(pattern, flags).search(string)
[deoplete]   File "/usr/local/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/re.py", line 293, in _compile
[deoplete]     p = sre_compile.compile(pattern, flags)
[deoplete]   File "/usr/local/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/sre_compile.py", line 536, in compile
[deoplete]     p = sre_parse.parse(p, flags)
[deoplete]   File "/usr/local/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/sre_parse.py", line 829, in parse
[deoplete]     p = _parse_sub(source, pattern, 0)
[deoplete]   File "/usr/local/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/sre_parse.py", line 437, in _parse_sub
[deoplete]     itemsappend(_parse(source, state))
[deoplete]   File "/usr/local/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/sre_parse.py", line 781, in _parse
[deoplete]     source.tell() - start)
[deoplete] sre_constants.error: missing ), unterminated subpattern at position 0
[deoplete] An error has occurred. Please execute :messages command.