diff --git a/.arclint b/.arclint
--- a/.arclint
+++ b/.arclint
@@ -26,7 +26,7 @@
             "include": "(\\.py$)",
             "flags": [
                 "--select=E,W,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",
-                "--ignore=E501,E704,E712,E713,E722,E731,W503,W504"
+                "--ignore=E501,E704,E713,E722,E731,W503,W504"
             ]
         },
         "lint-format-strings": {
diff --git a/test/functional/feature_bip68_sequence.py b/test/functional/feature_bip68_sequence.py
--- a/test/functional/feature_bip68_sequence.py
+++ b/test/functional/feature_bip68_sequence.py
@@ -486,7 +486,7 @@
             "hex"]
         try:
             self.nodes[1].sendrawtransaction(tx_signed)
-            assert before_activation == False
+            assert not before_activation
         except:
             assert before_activation
 
diff --git a/test/functional/p2p_leak.py b/test/functional/p2p_leak.py
--- a/test/functional/p2p_leak.py
+++ b/test/functional/p2p_leak.py
@@ -162,9 +162,9 @@
         wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 0)
 
         # Make sure no unexpected messages came in
-        assert no_version_bannode.unexpected_msg == False
-        assert no_version_idlenode.unexpected_msg == False
-        assert no_verack_idlenode.unexpected_msg == False
+        assert not no_version_bannode.unexpected_msg
+        assert not no_version_idlenode.unexpected_msg
+        assert not no_verack_idlenode.unexpected_msg
 
 
 if __name__ == '__main__':
diff --git a/test/functional/wallet_disable.py b/test/functional/wallet_disable.py
--- a/test/functional/wallet_disable.py
+++ b/test/functional/wallet_disable.py
@@ -23,9 +23,9 @@
         assert_raises_rpc_error(-32601, 'Method not found',
                                 self.nodes[0].getwalletinfo)
         x = self.nodes[0].validateaddress('3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy')
-        assert x['isvalid'] == False
+        assert x['isvalid'] is False
         x = self.nodes[0].validateaddress('mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ')
-        assert x['isvalid'] == True
+        assert x['isvalid'] is True
 
         # Checking mining to an address without a wallet. Generating to a valid address should succeed
         # but generating to an invalid address will fail.
diff --git a/test/functional/wallet_dump.py b/test/functional/wallet_dump.py
--- a/test/functional/wallet_dump.py
+++ b/test/functional/wallet_dump.py
@@ -142,14 +142,14 @@
 
         # Make sure the address is not IsMine before import
         result = self.nodes[0].getaddressinfo(multisig_addr)
-        assert result['ismine'] == False
+        assert result['ismine'] is False
 
         self.nodes[0].importwallet(os.path.abspath(
             tmpdir + "/node0/wallet.unencrypted.dump"))
 
         # Now check IsMine is true
         result = self.nodes[0].getaddressinfo(multisig_addr)
-        assert result['ismine'] == True
+        assert result['ismine'] is True
 
 
 if __name__ == '__main__':