diff --git a/libmproxy/console/common.py b/libmproxy/console/common.py
index 6c0f481b6..3a708c7c9 100644
--- a/libmproxy/console/common.py
+++ b/libmproxy/console/common.py
@@ -1,7 +1,9 @@
 from __future__ import absolute_import
+
 import urwid
 import urwid.util
 import os
+
 from .. import utils
 from ..protocol.http import CONTENT_MISSING, decoded
 
@@ -284,15 +286,16 @@ def ask_copy_part(scope, flow, master, state):
 
 def ask_save_body(part, master, state, flow):
     """
-    Save either the request or the response body to disk.
-    part can either be "q" (request), "s" (response) or None (ask user if necessary).
+    Save either the request or the response body to disk. part can either be
+    "q" (request), "s" (response) or None (ask user if necessary).
     """
 
     request_has_content = flow.request and flow.request.content
     response_has_content = flow.response and flow.response.content
 
     if part is None:
-        # We first need to determine whether we want to save the request or the response content.
+        # We first need to determine whether we want to save the request or the
+        # response content.
         if request_has_content and response_has_content:
             master.prompt_onekey(
                 "Save",
@@ -311,9 +314,19 @@ def ask_save_body(part, master, state, flow):
             ask_save_body("q", master, state, flow)
 
     elif part == "q" and request_has_content:
-        ask_save_path("Save request content: ", flow.request.get_decoded_content(), master, state)
+        ask_save_path(
+            "Save request content: ",
+            flow.request.get_decoded_content(),
+            master,
+            state
+        )
     elif part == "s" and response_has_content:
-        ask_save_path("Save response content: ", flow.response.get_decoded_content(), master, state)
+        ask_save_path(
+            "Save response content: ",
+            flow.response.get_decoded_content(),
+            master,
+            state
+        )
     else:
         master.statusbar.message("No content to save.")
 
diff --git a/libmproxy/console/contentview.py b/libmproxy/console/contentview.py
index 582723bb1..95d908a45 100644
--- a/libmproxy/console/contentview.py
+++ b/libmproxy/console/contentview.py
@@ -1,14 +1,23 @@
 from __future__ import absolute_import
-import logging, subprocess, re, cStringIO, traceback, json, urwid
+import cStringIO
+import json
+import logging
+import lxml.html
+import lxml.etree
 from PIL import Image
 from PIL.ExifTags import TAGS
+import re
+import subprocess
+import traceback
+import urwid
 
-import lxml.html, lxml.etree
 import netlib.utils
+
 from . import common
 from .. import utils, encoding, flow
 from ..contrib import jsbeautifier, html2text
 from ..contrib.wbxml.ASCommandResponse import ASCommandResponse
+
 try:
     import pyamf
     from pyamf import remoting, flex
@@ -62,6 +71,7 @@ class ViewAuto:
     name = "Auto"
     prompt = ("auto", "a")
     content_types = []
+
     def __call__(self, hdrs, content, limit):
         ctype = hdrs.get_first("content-type")
         if ctype:
@@ -78,6 +88,7 @@ class ViewRaw:
     name = "Raw"
     prompt = ("raw", "r")
     content_types = []
+
     def __call__(self, hdrs, content, limit):
         txt = _view_text(content[:limit], len(content), limit)
         return "Raw", txt
@@ -87,6 +98,7 @@ class ViewHex:
     name = "Hex"
     prompt = ("hex", "e")
     content_types = []
+
     def __call__(self, hdrs, content, limit):
         txt = []
         for offset, hexa, s in netlib.utils.hexdump(content[:limit]):
@@ -105,8 +117,14 @@ class ViewXML:
     name = "XML"
     prompt = ("xml", "x")
     content_types = ["text/xml"]
+
     def __call__(self, hdrs, content, limit):
-        parser = lxml.etree.XMLParser(remove_blank_text=True, resolve_entities=False, strip_cdata=False, recover=False)
+        parser = lxml.etree.XMLParser(
+            remove_blank_text=True,
+            resolve_entities=False,
+            strip_cdata=False,
+            recover=False
+        )
         try:
             document = lxml.etree.fromstring(content, parser)
         except lxml.etree.XMLSyntaxError:
@@ -121,18 +139,18 @@ class ViewXML:
                 lxml.etree.tostring(p)
             )
             p = p.getprevious()
-        doctype=docinfo.doctype
+        doctype = docinfo.doctype
         if prev:
             doctype += "\n".join(prev).strip()
         doctype = doctype.strip()
 
         s = lxml.etree.tostring(
-                document,
-                pretty_print=True,
-                xml_declaration=True,
-                doctype=doctype or None,
-                encoding = docinfo.encoding
-            )
+            document,
+            pretty_print=True,
+            xml_declaration=True,
+            doctype=doctype or None,
+            encoding = docinfo.encoding
+        )
 
         txt = []
         for i in s[:limit].strip().split("\n"):
@@ -147,6 +165,7 @@ class ViewJSON:
     name = "JSON"
     prompt = ("json", "s")
     content_types = ["application/json"]
+
     def __call__(self, hdrs, content, limit):
         lines = utils.pretty_json(content)
         if lines:
@@ -167,12 +186,20 @@ class ViewHTML:
     name = "HTML"
     prompt = ("html", "h")
     content_types = ["text/html"]
+
     def __call__(self, hdrs, content, limit):
         if utils.isXML(content):
-            parser = lxml.etree.HTMLParser(strip_cdata=True, remove_blank_text=True)
+            parser = lxml.etree.HTMLParser(
+                strip_cdata=True,
+                remove_blank_text=True
+            )
             d = lxml.html.fromstring(content, parser=parser)
             docinfo = d.getroottree().docinfo
-            s = lxml.etree.tostring(d, pretty_print=True, doctype=docinfo.doctype)
+            s = lxml.etree.tostring(
+                d,
+                pretty_print=True,
+                doctype=docinfo.doctype
+            )
             return "HTML", _view_text(s[:limit], len(s), limit)
 
 
@@ -180,6 +207,7 @@ class ViewHTMLOutline:
     name = "HTML Outline"
     prompt = ("html outline", "o")
     content_types = ["text/html"]
+
     def __call__(self, hdrs, content, limit):
         content = content.decode("utf-8")
         h = html2text.HTML2Text(baseurl="")
@@ -194,14 +222,15 @@ class ViewURLEncoded:
     name = "URL-encoded"
     prompt = ("urlencoded", "u")
     content_types = ["application/x-www-form-urlencoded"]
+
     def __call__(self, hdrs, content, limit):
         lines = utils.urldecode(content)
         if lines:
             body = common.format_keyvals(
-                        [(k+":", v) for (k, v) in lines],
-                        key = "header",
-                        val = "text"
-                   )
+                [(k+":", v) for (k, v) in lines],
+                key = "header",
+                val = "text"
+            )
             return "URLEncoded form", body
 
 
@@ -209,6 +238,7 @@ class ViewMultipart:
     name = "Multipart Form"
     prompt = ("multipart", "m")
     content_types = ["multipart/form-data"]
+
     def __call__(self, hdrs, content, limit):
         v = hdrs.get_first("content-type")
         if v:
@@ -322,12 +352,14 @@ class ViewJavaScript:
         "application/javascript",
         "text/javascript"
     ]
+
     def __call__(self, hdrs, content, limit):
         opts = jsbeautifier.default_options()
         opts.indent_size = 2
         res = jsbeautifier.beautify(content[:limit], opts)
         return "JavaScript", _view_text(res, len(res), limit)
 
+
 class ViewCSS:
     name = "CSS"
     prompt = ("css", "c")
@@ -355,6 +387,7 @@ class ViewImage:
         "image/vnd.microsoft.icon",
         "image/x-icon",
     ]
+
     def __call__(self, hdrs, content, limit):
         try:
             img = Image.open(cStringIO.StringIO(content))
@@ -380,14 +413,17 @@ class ViewImage:
                     )
         clean = []
         for i in parts:
-            clean.append([netlib.utils.cleanBin(i[0]), netlib.utils.cleanBin(i[1])])
-        fmt = common.format_keyvals(
-                clean,
-                key = "header",
-                val = "text"
+            clean.append(
+                [netlib.utils.cleanBin(i[0]), netlib.utils.cleanBin(i[1])]
             )
+        fmt = common.format_keyvals(
+            clean,
+            key = "header",
+            val = "text"
+        )
         return "%s image"%img.format, fmt
 
+
 class ViewProtobuf:
     """Human friendly view of protocol buffers
     The view uses the protoc compiler to decode the binary
@@ -403,7 +439,10 @@ class ViewProtobuf:
     @staticmethod
     def is_available():
         try:
-            p = subprocess.Popen(["protoc", "--version"], stdout=subprocess.PIPE)
+            p = subprocess.Popen(
+                ["protoc", "--version"],
+                stdout=subprocess.PIPE
+            )
             out, _ = p.communicate()
             return out.startswith("libprotoc")
         except:
@@ -427,6 +466,7 @@ class ViewProtobuf:
         txt = _view_text(decoded[:limit], len(decoded), limit)
         return "Protobuf", txt
 
+
 class ViewWBXML:
     name = "WBXML"
     prompt = ("wbxml", "w")
@@ -436,14 +476,14 @@ class ViewWBXML:
     ]
 
     def __call__(self, hdrs, content, limit):
-        
+
         try:
             parser = ASCommandResponse(content)
             parsedContent = parser.xmlString
             txt = _view_text(parsedContent, len(parsedContent), limit)
             return "WBXML", txt
         except:
-        	return None
+            return None
 
 views = [
     ViewAuto(),
@@ -512,7 +552,7 @@ def get_content_view(viewmode, hdrItems, content, limit, logfunc, is_request):
     # Third-party viewers can fail in unexpected ways...
     except Exception:
         s = traceback.format_exc()
-        s = "Content viewer failed: \n"  + s
+        s = "Content viewer failed: \n" + s
         logfunc(s, "error")
         ret = None
     if not ret:
diff --git a/libmproxy/console/grideditor.py b/libmproxy/console/grideditor.py
index 37bc5ae4a..fe3df5091 100644
--- a/libmproxy/console/grideditor.py
+++ b/libmproxy/console/grideditor.py
@@ -1,6 +1,10 @@
 from __future__ import absolute_import
-import copy, re, os
+
+import copy
+import re
+import os
 import urwid
+
 from . import common
 from .. import utils, filt, script
 from netlib import http_uastrings
@@ -121,7 +125,9 @@ class GridWalker(urwid.ListWalker):
             try:
                 val = val.decode("string-escape")
             except ValueError:
-                self.editor.master.statusbar.message("Invalid Python-style string encoding.", 1000)
+                self.editor.master.statusbar.message(
+                    "Invalid Python-style string encoding.", 1000
+                )
                 return
         errors = self.lst[self.focus][1]
         emsg = self.editor.is_error(self.focus_col, val)
@@ -155,7 +161,9 @@ class GridWalker(urwid.ListWalker):
 
     def start_edit(self):
         if self.lst:
-            self.editing = GridRow(self.focus_col, True, self.editor, self.lst[self.focus])
+            self.editing = GridRow(
+                self.focus_col, True, self.editor, self.lst[self.focus]
+            )
             self.editor.master.statusbar.update(footer_editing)
             self._modified()
 
@@ -187,7 +195,12 @@ class GridWalker(urwid.ListWalker):
         if self.editing:
             return self.editing, self.focus
         elif self.lst:
-            return GridRow(self.focus_col, False, self.editor, self.lst[self.focus]), self.focus
+            return GridRow(
+                self.focus_col,
+                False,
+                self.editor,
+                self.lst[self.focus]
+            ), self.focus
         else:
             return None, None
 
@@ -213,10 +226,13 @@ class GridListBox(urwid.ListBox):
 
 FIRST_WIDTH_MAX = 40
 FIRST_WIDTH_MIN = 20
+
+
 class GridEditor(urwid.WidgetWrap):
     title = None
     columns = None
     headings = None
+
     def __init__(self, master, value, callback, *cb_args, **cb_kwargs):
         value = copy.deepcopy(value)
         self.master, self.value, self.callback = master, value, callback
@@ -325,7 +341,9 @@ class GridEditor(urwid.WidgetWrap):
                 self.master.path_prompt("Read file: ", "", self.read_file)
         elif key == "R":
             if self.walker.get_current_value() is not None:
-                self.master.path_prompt("Read unescaped file: ", "", self.read_file, True)
+                self.master.path_prompt(
+                    "Read unescaped file: ", "", self.read_file, True
+                )
         elif key == "e":
             o = self.walker.get_current_value()
             if o is not None:
@@ -362,7 +380,9 @@ class GridEditor(urwid.WidgetWrap):
             ("tab", "next field"),
             ("enter", "edit field"),
         ]
-        text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
+        text.extend(
+            common.format_keyvals(keys, key="key", val="text", indent=4)
+        )
         text.append(
             urwid.Text(
                 [
@@ -384,6 +404,7 @@ class HeaderEditor(GridEditor):
     title = "Editing headers"
     columns = 2
     headings = ("Key", "Value")
+
     def make_help(self):
         h = GridEditor.make_help(self)
         text = []
@@ -391,7 +412,9 @@ class HeaderEditor(GridEditor):
         keys = [
             ("U", "add User-Agent header"),
         ]
-        text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
+        text.extend(
+            common.format_keyvals(keys, key="key", val="text", indent=4)
+        )
         text.append(urwid.Text([("text", "\n")]))
         text.extend(h)
         return text
@@ -426,6 +449,7 @@ class ReplaceEditor(GridEditor):
     title = "Editing replacement patterns"
     columns = 3
     headings = ("Filter", "Regex", "Replacement")
+
     def is_error(self, col, val):
         if col == 0:
             if not filt.parse(val):
@@ -442,6 +466,7 @@ class SetHeadersEditor(GridEditor):
     title = "Editing header set patterns"
     columns = 3
     headings = ("Filter", "Header", "Value")
+
     def is_error(self, col, val):
         if col == 0:
             if not filt.parse(val):
@@ -455,7 +480,9 @@ class SetHeadersEditor(GridEditor):
         keys = [
             ("U", "add User-Agent header"),
         ]
-        text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
+        text.extend(
+            common.format_keyvals(keys, key="key", val="text", indent=4)
+        )
         text.append(urwid.Text([("text", "\n")]))
         text.extend(h)
         return text
@@ -491,6 +518,7 @@ class ScriptEditor(GridEditor):
     title = "Editing scripts"
     columns = 1
     headings = ("Command",)
+
     def is_error(self, col, val):
         try:
             script.Script.parse_command(val)
diff --git a/libmproxy/console/help.py b/libmproxy/console/help.py
index 27288a369..fddab5378 100644
--- a/libmproxy/console/help.py
+++ b/libmproxy/console/help.py
@@ -1,5 +1,7 @@
 from __future__ import absolute_import
+
 import urwid
+
 from . import common
 from .. import filt, version
 
@@ -8,6 +10,7 @@ footer = [
     ('heading_key', "q"), ":back ",
 ]
 
+
 class HelpView(urwid.ListBox):
     def __init__(self, master, help_context, state):
         self.master, self.state = master, state
@@ -122,7 +125,9 @@ class HelpView(urwid.ListBox):
             ("T", "set tcp proxying pattern"),
             ("u", "set sticky auth expression"),
         ]
-        text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
+        text.extend(
+            common.format_keyvals(keys, key="key", val="text", indent=4)
+        )
 
         text.append(urwid.Text([("head", "\n\nFilter expressions:\n")]))
         f = []
@@ -167,7 +172,9 @@ class HelpView(urwid.ListBox):
                 ("~q ~b test", "Requests where body contains \"test\""),
                 ("!(~q & ~t \"text/html\")", "Anything but requests with a text/html content type."),
         ]
-        text.extend(common.format_keyvals(examples, key="key", val="text", indent=4))
+        text.extend(
+            common.format_keyvals(examples, key="key", val="text", indent=4)
+        )
         return text
 
     def keypress(self, size, key):