diff --git a/.arclint b/.arclint
--- a/.arclint
+++ b/.arclint
@@ -21,7 +21,7 @@
             "type": "flake8",
             "include": "(\\.py$)",
             "flags": [
-                "--select=F401,F403,F405"
+                "--select=E112,E113,E115,E116,E125,E131,E133,E223,E224,E271,E272,E273,E274,E275,E304,E306,E502,E702,E703,E714,E721,E741,E742,E743,F401,F402,F403,F404,F405,F406,F407,F601,F602,F621,F622,F631,F701,F702,F703,F704,F705,F706,F707,F811,F812,F822,F823,F831,W292,W601,W602,W603,W604"
             ]
         },
         "lint-format-strings": {
diff --git a/test/functional/rpc_fundrawtransaction.py b/test/functional/rpc_fundrawtransaction.py
--- a/test/functional/rpc_fundrawtransaction.py
+++ b/test/functional/rpc_fundrawtransaction.py
@@ -759,8 +759,8 @@
                       rawTx, {"feeRate": 2 * min_relay_tx_fee}),
                   self.nodes[3].fundrawtransaction(rawTx, {"feeRate": 2 * min_relay_tx_fee, "subtractFeeFromOutputs": [0]})]
 
-        dec_tx = [self.nodes[3].decoderawtransaction(tx['hex'])
-                  for tx in result]
+        dec_tx = [self.nodes[3].decoderawtransaction(tx_['hex'])
+                  for tx_ in result]
         output = [d['vout'][1 - r['changepos']]['value']
                   for d, r in zip(dec_tx, result)]
         change = [d['vout'][r['changepos']]['value']