message: test: Format feature_fee_estimation with pep8
diff: @@ -28,6 +28,7 @@ P2SH_2 = CScript([OP_HASH160, hash160(REDEEM_SCRIPT_2), OP_EQUAL])
  # Associated ScriptSig's to spend satisfy P2SH_1 and P2SH_2
  SCRIPT_SIG = [CScript([OP_TRUE, REDEEM_SCRIPT_1]), CScript([OP_TRUE, REDEEM_SCRIPT_2])]
  +
  def small_txpuzzle_randfee(from_node, conflist, unconflist, amount, min_fee, fee_increment):
  """Create and send a transaction with a random fee.
  @@ -69,6 +70,7 @@ def small_txpuzzle_randfee(from_node, conflist, unconflist, amount, min_fee, fee
  return (ToHex(tx), fee)
  +
  def split_inputs(from_node, txins, txouts, initial_split=False):
  """Generate a lot of inputs so we can generate a ton of transactions.
  @@ -97,6 +99,7 @@ def split_inputs(from_node, txins, txouts, initial_split=False):
  txouts.append({"txid": txid, "vout": 0, "amount": half_change})
  txouts.append({"txid": txid, "vout": 1, "amount": rem_change})
  +
  def check_estimates(node, fees_seen):
  """Call estimatesmartfee and verify that the estimates meet certain invariants."""
  @@ -189,22 +192,22 @@ class EstimateFeeTest(BitcoinTestFramework):
  split_inputs(self.nodes[0], self.nodes[0].listunspent(0), self.txouts, True)
  # Mine
  - while (len(self.nodes[0].getrawmempool()) > 0):
  + while len(self.nodes[0].getrawmempool()) > 0:
  self.nodes[0].generate(1)
  # Repeatedly split those 2 outputs, doubling twice for each rep
  # Use txouts to monitor the available utxo, since these won't be tracked in wallet
  reps = 0
  - while (reps < 5):
  + while reps < 5:
  # Double txouts to txouts2
  - while (len(self.txouts) > 0):
  + while len(self.txouts) > 0:
  split_inputs(self.nodes[0], self.txouts, self.txouts2)
  - while (len(self.nodes[0].getrawmempool()) > 0):
  + while len(self.nodes[0].getrawmempool()) > 0:
  self.nodes[0].generate(1)
  # Double txouts2 to txouts
  - while (len(self.txouts2) > 0):
  + while len(self.txouts2) > 0:
  split_inputs(self.nodes[0], self.txouts2, self.txouts)
  - while (len(self.nodes[0].getrawmempool()) > 0):
  + while len(self.nodes[0].getrawmempool()) > 0:
  self.nodes[0].generate(1)
  reps += 1
  self.log.info("Finished splitting")
  @@ -244,5 +247,6 @@ class EstimateFeeTest(BitcoinTestFramework):
  self.log.info("Final estimates after emptying mempools")
  check_estimates(self.nodes[1], self.fees_per_kb)
  +
  if __name__ == '__main__':
  EstimateFeeTest().main()
  