3.0.4 -- 2016-08-08
-------------------

- Side-step a Pickling Error when using Flake8 with multiprocessing on Unix
  systems. (See also :issue:`1014`)

- Fix an Attribute Error raised when dealing with Invalid Syntax. (See also
  :issue:`539`)

- Fix an unhandled Syntax Error when tokenizing files. (See also
  :issue:`540`)
