diff --git a/filters.py b/filters.py
index 4a06d44a..8755d7c8 100644
--- a/filters.py
+++ b/filters.py
@@ -1,43 +1,48 @@
-__filename__="filters.py"
-__author__="Bob Mottram"
-__license__="AGPL3+"
-__version__="1.1.0"
-__maintainer__="Bob Mottram"
-__email__="bob@freedombone.net"
-__status__="Production"
+__filename__ = "filters.py"
+__author__ = "Bob Mottram"
+__license__ = "AGPL3+"
+__version__ = "1.1.0"
+__maintainer__ = "Bob Mottram"
+__email__ = "bob@freedombone.net"
+__status__ = "Production"
 
 import os
 
-def addFilter(baseDir: str,nickname: str,domain: str,words: str) -> bool:
+
+def addFilter(baseDir: str, nickname: str, domain: str, words: str) -> bool:
     """Adds a filter for particular words within the content of a incoming posts
     """
-    filtersFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/filters.txt'
+    filtersFilename = baseDir + '/accounts/' + \
+        nickname + '@' + domain + '/filters.txt'
     if os.path.isfile(filtersFilename):
         if words in open(filtersFilename).read():
             return False
-    filtersFile=open(filtersFilename, "a+")
-    filtersFile.write(words+'\n')
+    filtersFile = open(filtersFilename, "a+")
+    filtersFile.write(words + '\n')
     filtersFile.close()
     return True
 
-def removeFilter(baseDir: str,nickname: str,domain: str, \
+
+def removeFilter(baseDir: str, nickname: str, domain: str,
                  words: str) -> bool:
     """Removes a word filter
     """
-    filtersFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/filters.txt'
+    filtersFilename = baseDir + '/accounts/' + \
+        nickname + '@' + domain + '/filters.txt'
     if os.path.isfile(filtersFilename):
         if words in open(filtersFilename).read():
             with open(filtersFilename, 'r') as fp:
-                with open(filtersFilename+'.new', 'w') as fpnew:
+                with open(filtersFilename + '.new', 'w') as fpnew:
                     for line in fp:
-                        line=line.replace('\n','')
-                        if line!=words:
-                            fpnew.write(line+'\n')
-            if os.path.isfile(filtersFilename+'.new'):
-                os.rename(filtersFilename+'.new',filtersFilename)
+                        line = line.replace('\n', '')
+                        if line != words:
+                            fpnew.write(line + '\n')
+            if os.path.isfile(filtersFilename + '.new'):
+                os.rename(filtersFilename + '.new', filtersFilename)
                 return True
     return False
 
+
 def isTwitterPost(content: str) -> bool:
     """Returns true if the given post content is a retweet or twitter crosspost
     """
@@ -47,30 +52,33 @@ def isTwitterPost(content: str) -> bool:
         return True
     return False
 
-def isFiltered(baseDir: str,nickname: str,domain: str,content: str) -> bool:
+
+def isFiltered(baseDir: str, nickname: str, domain: str, content: str) -> bool:
     """Should the given content be filtered out?
     This is a simple type of filter which just matches words, not a regex
     You can add individual words or use word1+word2 to indicate that two
     words must be present although not necessarily adjacent
     """
     # optionally remove retweets
-    removeTwitter=baseDir+'/accounts/'+nickname+'@'+domain+'/.removeTwitter'
+    removeTwitter = baseDir + '/accounts/' + \
+        nickname + '@' + domain + '/.removeTwitter'
     if os.path.isfile(removeTwitter):
         if isTwitterPost(content):
             return True
 
-    filtersFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/filters.txt'
+    filtersFilename = baseDir + '/accounts/' + \
+        nickname + '@' + domain + '/filters.txt'
     if os.path.isfile(filtersFilename):
         with open(filtersFilename, 'r') as fp:
             for line in fp:
-                filterStr=line.replace('\n','')
+                filterStr = line.replace('\n', '')
                 if '+' not in filterStr:
                     if filterStr in content:
                         return True
                 else:
-                    filterWords=filterStr.replace('"','').split('+')
+                    filterWords = filterStr.replace('"', '').split('+')
                     for word in filterWords:
-                        if not word in content:
+                        if word not in content:
                             return False
                     return True
     return False