[tests] Fix flake8 warnings in several wallet functional tests

This commit fixes flake8 warnings in the following functional tests:

- wallet_listreceivedby.py
- wallet_basic.py
- wallet_txn_clone.py
- wallet_listsinceblock.py
- wallet_import_rescan.py
- wallet_listtransactions.py
- wallet_importprunedfunds.py
- wallet_txn_doublspend.py

1 files changed, 19 insertions, 19 deletions

diff --git a/test/functional/wallet_listreceivedby.py b/test/functional/wallet_listreceivedby.py
index aba5d642bc..e0e20cc9a3 100755
--- a/test/functional/wallet_listreceivedby.py
+++ b/test/functional/wallet_listreceivedby.py
@@ -51,37 +51,37 @@ class ReceivedByTest(BitcoinTestFramework):
                             {"address": empty_addr},
                             {"address": empty_addr, "label": "", "amount": 0, "confirmations": 0, "txids": []})
 
-        #Test Address filtering
-        #Only on addr
-        expected = {"address":addr, "label":"", "amount":Decimal("0.1"), "confirmations":10, "txids":[txid,]}
+        # Test Address filtering
+        # Only on addr
+        expected = {"address": addr, "label": "", "amount": Decimal("0.1"), "confirmations": 10, "txids": [txid, ]}
         res = self.nodes[1].listreceivedbyaddress(minconf=0, include_empty=True, include_watchonly=True, address_filter=addr)
-        assert_array_result(res, {"address":addr}, expected)
+        assert_array_result(res, {"address": addr}, expected)
         assert_equal(len(res), 1)
-        #Error on invalid address
+        # Error on invalid address
         assert_raises_rpc_error(-4, "address_filter parameter was invalid", self.nodes[1].listreceivedbyaddress, minconf=0, include_empty=True, include_watchonly=True, address_filter="bamboozling")
-        #Another address receive money
+        # Another address receive money
         res = self.nodes[1].listreceivedbyaddress(0, True, True)
-        assert_equal(len(res), 2) #Right now 2 entries
+        assert_equal(len(res), 2)  # Right now 2 entries
         other_addr = self.nodes[1].getnewaddress()
         txid2 = self.nodes[0].sendtoaddress(other_addr, 0.1)
         self.nodes[0].generate(1)
         self.sync_all()
-        #Same test as above should still pass
-        expected = {"address":addr, "label":"", "amount":Decimal("0.1"), "confirmations":11, "txids":[txid,]}
+        # Same test as above should still pass
+        expected = {"address": addr, "label": "", "amount": Decimal("0.1"), "confirmations": 11, "txids": [txid, ]}
         res = self.nodes[1].listreceivedbyaddress(0, True, True, addr)
-        assert_array_result(res, {"address":addr}, expected)
+        assert_array_result(res, {"address": addr}, expected)
         assert_equal(len(res), 1)
-        #Same test as above but with other_addr should still pass
-        expected = {"address":other_addr, "label":"", "amount":Decimal("0.1"), "confirmations":1, "txids":[txid2,]}
+        # Same test as above but with other_addr should still pass
+        expected = {"address": other_addr, "label": "", "amount": Decimal("0.1"), "confirmations": 1, "txids": [txid2, ]}
         res = self.nodes[1].listreceivedbyaddress(0, True, True, other_addr)
-        assert_array_result(res, {"address":other_addr}, expected)
+        assert_array_result(res, {"address": other_addr}, expected)
         assert_equal(len(res), 1)
-        #Should be two entries though without filter
+        # Should be two entries though without filter
         res = self.nodes[1].listreceivedbyaddress(0, True, True)
-        assert_equal(len(res), 3) #Became 3 entries
+        assert_equal(len(res), 3)  # Became 3 entries
 
-        #Not on random addr
-        other_addr = self.nodes[0].getnewaddress() # note on node[0]! just a random addr
+        # Not on random addr
+        other_addr = self.nodes[0].getnewaddress()  # note on node[0]! just a random addr
         res = self.nodes[1].listreceivedbyaddress(0, True, True, other_addr)
         assert_equal(len(res), 0)
 
@@ -112,8 +112,8 @@ class ReceivedByTest(BitcoinTestFramework):
         self.log.info("listreceivedbylabel + getreceivedbylabel Test")
 
         # set pre-state
-        addrArr = self.nodes[1].getnewaddress()
-        label = self.nodes[1].getaccount(addrArr)
+        address = self.nodes[1].getnewaddress()
+        label = self.nodes[1].getaccount(address)
         received_by_label_json = [r for r in self.nodes[1].listreceivedbylabel() if r["label"] == label][0]
         balance_by_label = self.nodes[1].getreceivedbylabel(label)