diff --git a/.arclint b/.arclint
--- a/.arclint
+++ b/.arclint
@@ -24,7 +24,7 @@
             "type": "flake8",
             "include": "(\\.py$)",
             "flags": [
-                "--select=E112,E113,E115,E116,E125,E131,E133,E223,E224,E242,E266,E271,E272,E273,E274,E275,E304,E306,E401,E402,E502,E701,E702,E703,E711,E714,E721,E741,E742,E743,E901,E902,F401,F402,F403,F404,F405,F406,F407,F601,F602,F621,F622,F631,F701,F702,F703,F704,F705,F706,F707,F811,F812,F821,F822,F823,F831,F841,W292,W293,W601,W602,W603,W604,W605,W606"
+                "--select=E112,E113,E115,E116,E125,E131,E133,E223,E224,E242,E266,E271,E272,E273,E274,E275,E304,E306,E401,E402,E502,E701,E702,E703,E711,E714,E721,E741,E742,E743,E901,E902,F401,F402,F403,F404,F405,F406,F407,F601,F602,F621,F622,F631,F701,F702,F703,F704,F705,F706,F707,F811,F812,F821,F822,F823,F831,F841,W291,W292,W293,W601,W602,W603,W604,W605,W606"
             ]
         },
         "lint-format-strings": {
diff --git a/test/functional/abc-segwit-recovery.py b/test/functional/abc-segwit-recovery.py
--- a/test/functional/abc-segwit-recovery.py
+++ b/test/functional/abc-segwit-recovery.py
@@ -4,7 +4,7 @@
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """
 This test checks that blocks containing segwit recovery transactions will be accepted,
-that segwit recovery transactions are rejected from mempool acceptance (even with 
+that segwit recovery transactions are rejected from mempool acceptance (even with
 -acceptnonstdtxn=1), and that segwit recovery transactions don't result in bans.
 """
 
diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py
--- a/test/functional/test_runner.py
+++ b/test/functional/test_runner.py
@@ -451,8 +451,8 @@
 
     def handle_test_cases():
         """
-        job_runner represents a single thread that is part of a worker pool.  
-        It waits for a test, then executes that test. 
+        job_runner represents a single thread that is part of a worker pool.
+        It waits for a test, then executes that test.
         It also reports start and result messages to handle_update_messages
         """
         while True: