diff --git a/docs/source/overview.rst b/docs/source/overview.rst
index d846efba..6ec996e4 100644
--- a/docs/source/overview.rst
+++ b/docs/source/overview.rst
@@ -235,13 +235,15 @@ Add the following to your :file:`~/.config/qtile/config.py`:
        ),
    ]
 
-with i3bar replacement
------------------
+I3 bar
+------
 
-.. note:: Until the patch is done in i3, you will need a custom ``i3bar`` build called ``i3bgbar``.
-    The source is available `here <https://github.com/S0lll0s/i3bgbar>`_.
+.. note:: Until the patch is done in i3, you will need a custom ``i3bar`` build
+          called ``i3bgbar``. The source is available `here 
+          <https://github.com/S0lll0s/i3bgbar>`_.
 
 Add the following to your :file:`~/.i3/config`::
+
     bar {
         i3bar_command i3bgbar
 
@@ -249,4 +251,5 @@ Add the following to your :file:`~/.i3/config`::
         font pango:PowerlineFont 12
     }
 
-where ``i3bgbar`` may be replaced with the path to the custom i3bar binary and ``PowerlineFont`` is any system font with powerline support.
+where ``i3bgbar`` may be replaced with the path to the custom i3bar binary and 
+``PowerlineFont`` is any system font with powerline support.
diff --git a/powerline/bindings/i3/powerline-i3.py b/powerline/bindings/i3/powerline-i3.py
index 463b3f4d..d6d84f59 100755
--- a/powerline/bindings/i3/powerline-i3.py
+++ b/powerline/bindings/i3/powerline-i3.py
@@ -10,31 +10,34 @@ import time
 import i3
 from threading import Lock
 
-name = 'wm'
-if len( sys.argv ) > 1:
-	name = sys.argv[1]
-powerline = Powerline(name, renderer_module='i3bgbar')
-powerline.update_renderer()
 
-interval = 0.5
+if __name__ == '__main__':
+	name = 'wm'
+	if len(sys.argv) > 1:
+		name = sys.argv[1]
 
-print( '{"version": 1, "custom_workspace": true}' )
-print( '[' )
-print( '	[[],[]]' )
+	powerline = Powerline(name, renderer_module='i3bar')
+	powerline.update_renderer()
 
-lock = Lock()
+	interval = 0.5
 
-def render( event=None, data=None, sub=None ):
-	global lock
-	with lock:
-		s  = '[\n' + powerline.render(side='right')[:-2] + '\n]\n'
-		s += ',[\n' + powerline.render(side='left' )[:-2] + '\n]'
-		print( ',[\n' + s + '\n]' )
-		sys.stdout.flush()
+	print ('{"version": 1, "custom_workspace": true}')
+	print ('[')
+	print ('\t[[],[]]')
 
-sub = i3.Subscription( render, 'workspace' )
+	lock = Lock()
 
-while True:
-	start_time = monotonic()
-	render()
-	time.sleep(max(interval - (monotonic() - start_time), 0.1))
+	def render(event=None, data=None, sub=None):
+		global lock
+		with lock:
+			s = '[\n' + powerline.render(side='right')[:-2] + '\n]\n'
+			s += ',[\n' + powerline.render(side='left')[:-2] + '\n]'
+			print (',[\n' + s + '\n]')
+			sys.stdout.flush()
+
+	sub = i3.Subscription(render, 'workspace')
+
+	while True:
+		start_time = monotonic()
+		render()
+		time.sleep(max(interval - (monotonic() - start_time), 0.1))
diff --git a/powerline/renderers/i3bgbar.py b/powerline/renderers/i3bar.py
similarity index 57%
rename from powerline/renderers/i3bgbar.py
rename to powerline/renderers/i3bar.py
index bc549b10..2e0ef9b3 100644
--- a/powerline/renderers/i3bgbar.py
+++ b/powerline/renderers/i3bar.py
@@ -1,11 +1,14 @@
 # vim:fileencoding=utf-8:noet
 
 from powerline.renderer import Renderer
-from powerline.colorscheme import ATTR_BOLD, ATTR_ITALIC, ATTR_UNDERLINE
 import json
 
-class i3bgbarRenderer(Renderer):
-	'''i3bgbar Segment Renderer'''
+
+class I3barRenderer(Renderer):
+	'''I3bar Segment Renderer.
+
+	Currently works only for i3bgbar (i3 bar with custom patches).
+	'''
 
 	@staticmethod
 	def hlstyle(*args, **kwargs):
@@ -13,9 +16,11 @@ class i3bgbarRenderer(Renderer):
 		return ''
 
 	def hl(self, contents, fg=None, bg=None, attr=None):
-		'''Highlight a segment.'''
-
-		segment = { "full_text": contents, "separator": False, "separator_block_width": 0 } # no seperators
+		segment = {
+			"full_text": contents,
+			"separator": False,
+			"separator_block_width": 0,  # no seperators
+		}
 
 		if fg is not None:
 			if fg is not False and fg[1] is not False:
@@ -23,7 +28,8 @@ class i3bgbarRenderer(Renderer):
 		if bg is not None:
 			if bg is not False and bg[1] is not False:
 				segment['background_color'] = "#{0:06x}".format(bg[1])
-		return json.dumps( segment ) + ",\n" # i3bar "pseudo json" requires one line at a time
+		# i3bar "pseudo json" requires one line at a time
+		return json.dumps(segment) + ",\n"
 
 
-renderer = i3bgbarRenderer
+renderer = I3barRenderer
diff --git a/powerline/segments/i3wm.py b/powerline/segments/i3wm.py
index 04115444..69752dff 100644
--- a/powerline/segments/i3wm.py
+++ b/powerline/segments/i3wm.py
@@ -1,19 +1,26 @@
 # vim:fileencoding=utf-8:noet
 
-from powerline.theme import requires_segment_info
 import i3
 
-def calcgrp( w ):
+
+def calcgrp(w):
 	group = []
-	if w['focused']: group.append( 'w_focused' )
-	if w['urgent']: group.append( 'w_urgent' )
-	if w['visible']: group.append( 'w_visible' )
-	group.append( 'workspace' )
+	if w['focused']:
+		group.append('w_focused')
+	if w['urgent']:
+		group.append('w_urgent')
+	if w['visible']:
+		group.append('w_visible')
+	group.append('workspace')
 	return group
 
-def workspaces( pl ):
+
+def workspaces(pl):
 	'''Return workspace list
 
 	Highlight groups used: ``workspace``, ``w_visible``, ``w_focused``, ``w_urgent``
 	'''
-	return [ {'contents': w['name'], 'highlight_group': calcgrp( w )} for w in i3.get_workspaces() ]
+	return [{
+		'contents': w['name'],
+		'highlight_group': calcgrp(w)
+	} for w in i3.get_workspaces()]