diff --git a/management/mail_log.py b/management/mail_log.py
index a8133218..b654dcbc 100755
--- a/management/mail_log.py
+++ b/management/mail_log.py
@@ -547,7 +547,7 @@ def scan_postfix_submission_line(date, log, collector):
     """
 
     # Match both the 'plain' and 'login' sasl methods, since both authentication methods are
-    # allowed by Dovecot. Exclude trailing comma after the username when additional fields 
+    # allowed by Dovecot. Exclude trailing comma after the username when additional fields
 	# follow after.
     m = re.match(r"([A-Z0-9]+): client=(\S+), sasl_method=(PLAIN|LOGIN), sasl_username=(\S+)(?<!,)", log)
 
diff --git a/tools/editconf.py b/tools/editconf.py
index d9d05412..4724bbe8 100755
--- a/tools/editconf.py
+++ b/tools/editconf.py
@@ -24,7 +24,7 @@
 # lines while the lines start with whitespace, e.g.:
 #
 # NAME VAL
-#   UE 
+#   UE
 
 import sys, re
 
diff --git a/tools/readable_bash.py b/tools/readable_bash.py
index 3cb5908c..66f6196c 100644
--- a/tools/readable_bash.py
+++ b/tools/readable_bash.py
@@ -124,7 +124,7 @@ def generate_documentation():
  """)
 
 	parser = Source.parser()
-	with open("setup/start.sh", "r") as start_file: 
+	with open("setup/start.sh", "r") as start_file:
                 for line in start_file:
                         try:
                                 fn = parser.parse_string(line).filename()