Fix various minor formatting issues

Closes #242.

powerline/colorscheme.py

@@ -5,8 +5,8 @@ ATTR_BOLD = 1
 ATTR_ITALIC = 2
 ATTR_UNDERLINE = 4
 
-class Colorscheme(object):
 
+class Colorscheme(object):
 	def __init__(self, colorscheme):
 		'''Initialize a colorscheme.'''
 		self.colors = {}

powerline/lib/vcs/__init__.py

@@ -3,6 +3,10 @@ import os
 from powerline.lib.memoize import memoize
 
 
+vcs_props = (('git', '.git', os.path.exists),
+	('mercurial', '.hg', os.path.isdir))
+
+
 def generate_directories(path):
 	yield path
 	while True:
@@ -13,9 +17,6 @@ def generate_directories(path):
 		yield path
 
 
-vcs_props = (('git', '.git', os.path.exists),
-			 ('mercurial', '.hg', os.path.isdir))
-
 @memoize(100)
 def guess(path):
 	for directory in generate_directories(path):

powerline/renderer.py

@@ -42,7 +42,7 @@ class Renderer(object):
 			theme.segment_info.update(segment_info)
 
 		# Handle excluded/included segments for the current mode
-		segments = [segment for segment in segments\
+		segments = [segment for segment in segments
 			if mode not in segment['exclude_modes'] or (segment['include_modes'] and segment in segment['include_modes'])]
 
 		segments = [segment for segment in self._render_segments(mode, theme, segments)]

powerline/segments/vim.py

@@ -6,7 +6,7 @@ import os
 try:
 	import vim
 except ImportError:
-	vim = {}
+	vim = {}  # NOQA
 
 from powerline.bindings.vim import vim_get_func, getbufvar
 from powerline.theme import requires_segment_info
@@ -51,13 +51,14 @@ mode_translations = {
 
 eventcaches = defaultdict(lambda: [])
 bufeventcaches = defaultdict(lambda: [])
+
+
 def purgeonevents_reg(events, eventcaches=bufeventcaches):
 	def cache_reg_func(cache):
 		for event in events:
 			if event not in eventcaches:
 				vim.eval('PowerlineRegisterCachePurgerEvent("' + event + '")')
 			eventcaches[event].append(cache)
-
 	return cache_reg_func
 
 purgeall_on_shell = purgeonevents_reg(('ShellCmdPost', 'ShellFilterPost', 'FocusGained'), eventcaches=eventcaches)

powerline/theme.py

@@ -5,8 +5,9 @@ from copy import copy
 
 from .segment import Segment
 
+
 try:
-	unicode()
+	unicode()  # NOQA
 except NameError:
 	unicode = str
 

setup.py

@@ -11,7 +11,8 @@ try:
 except IOError:
 	README = ''
 
-setup(name='Powerline',
+setup(
+	name='Powerline',
 	version='beta',
 	description='The ultimate statusline/prompt utility.',
 	long_description=README,