refactor: test: use _ variable for unused loop counters

substitutes "for x in range(N):" by "for _ in range(N):"
indicates to the reader that a block is just repeated N times, and
that the loop counter is not used in the body

1 files changed, 5 insertions, 5 deletions

diff --git a/test/functional/mempool_packages.py b/test/functional/mempool_packages.py
index 542d24f4be..98dac30ace 100755
--- a/test/functional/mempool_packages.py
+++ b/test/functional/mempool_packages.py
@@ -48,7 +48,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
         send_value = satoshi_round((value - fee)/num_outputs)
         inputs = [ {'txid' : parent_txid, 'vout' : vout} ]
         outputs = {}
-        for i in range(num_outputs):
+        for _ in range(num_outputs):
             outputs[node.getnewaddress()] = send_value
         rawtx = node.createrawtransaction(inputs, outputs)
         signedtx = node.signrawtransactionwithwallet(rawtx)
@@ -70,7 +70,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
         # MAX_ANCESTORS transactions off a confirmed tx should be fine
         chain = []
         witness_chain = []
-        for i in range(MAX_ANCESTORS):
+        for _ in range(MAX_ANCESTORS):
             (txid, sent_value) = self.chain_transaction(self.nodes[0], txid, 0, value, fee, 1)
             value = sent_value
             chain.append(txid)
@@ -245,7 +245,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
 
         # Sign and send up to MAX_DESCENDANT transactions chained off the parent tx
         chain = [] # save sent txs for the purpose of checking node1's mempool later (see below)
-        for i in range(MAX_DESCENDANTS - 1):
+        for _ in range(MAX_DESCENDANTS - 1):
             utxo = transaction_package.pop(0)
             (txid, sent_value) = self.chain_transaction(self.nodes[0], utxo['txid'], utxo['vout'], utxo['amount'], fee, 10)
             chain.append(txid)
@@ -312,7 +312,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
         send_value = satoshi_round((value - fee)/2)
         inputs = [ {'txid' : txid, 'vout' : vout} ]
         outputs = {}
-        for i in range(2):
+        for _ in range(2):
             outputs[self.nodes[0].getnewaddress()] = send_value
         rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
         signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx)
@@ -326,7 +326,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
         # Create tx2-7
         vout = 1
         txid = tx0_id
-        for i in range(6):
+        for _ in range(6):
             (txid, sent_value) = self.chain_transaction(self.nodes[0], txid, vout, value, fee, 1)
             vout = 0
             value = sent_value