Some fixes for flake8

powerline/__init__.py

@@ -1,7 +1,6 @@
 # vim:fileencoding=utf-8:noet
 
 from __future__ import absolute_import
-import json
 import os
 import sys
 import logging

powerline/lib/config.py

@@ -56,7 +56,7 @@ class ConfigLoader(MultiRunnedThread):
 		'''Register any function that will be called with given key each 
 		interval seconds (interval is defined at __init__). Its result is then 
 		passed to ``function``, but only if the result is true.
-		
+
 		:param function condition_function:
 			Function which will be called each ``interval`` seconds. All 
 			exceptions from it will be ignored.
@@ -79,7 +79,6 @@ class ConfigLoader(MultiRunnedThread):
 		:param set removed_functions:
 			Set of functions previously passed to ``.register()`` method.
 		'''
-		removes = []
 		with self.lock:
 			for path, functions in list(self.watched.items()):
 				functions -= removed_functions
@@ -127,7 +126,6 @@ class ConfigLoader(MultiRunnedThread):
 						function(path)
 		with self.lock:
 			for key, functions in list(self.missing.items()):
-				remove = False
 				for condition_function, function in list(functions):
 					try:
 						path = condition_function(key)

powerline/segments/common.py

@@ -18,8 +18,10 @@ from powerline.lib.humanize_bytes import humanize_bytes
 from powerline.theme import requires_segment_info
 from collections import namedtuple
 
+
 cpu_count = None
 
+
 @requires_segment_info
 def hostname(pl, segment_info, only_if_ssh=False, exclude_domain=False):
 	'''Return the current hostname.

tests/test_config_reload.py

@@ -6,7 +6,6 @@ from tests import TestCase
 from tests.lib import replace_item
 from tests.lib.config_mock import swap_attributes, get_powerline, pop_events
 from copy import deepcopy
-from threading import Lock
 
 
 config = {