Update submodule pythonx/parso 2ca629a...579146b
Update submodule pythonx/parso 2ca629a...579146b

    * pythonx/parso 2ca629a...579146b (22):
      > Don't test python 2.6 in tox by default, because the newer pip versions don't support it anymore
      > Set a release date
      > Fix whitespace issues with prefixes
      > Use proper leafs for fstring start/end
      > Fix a Python 2 related issue.
      > Forgot to delete another print. WTF I'm tired
      > Unfortunately forgot to delete a print
      > Start to write a changelog for 0.2.0
      > Merge branch 'fstrings'
      > A comparison was slightly off
      > Ignore the pytest cache
      > Fix an error message change in Python 3.7
      > Fix an issue in the diff parser about endmarker newlines
      > Remove the copyright for good
      > Remove copyright years from documentation. (Closes: #25)
      > Fix typo: containes→contains
      > tox: use older pytest only for py26/py33
      > Merge branch 'master' of github.com:davidhalter/parso
      > Don't use a newer pytest version
      > The tags should be annotated if possible
      > Bump version for the next release
      > Use 3.7-dev not 3.7 for travis

davidhalter/jedi-vim