message: test: use f-strings in feature_csv_activation.py
diff: @@ -247,7 +247,7 @@ class BIP68_112_113Test(BitcoinTestFramework):
  self.send_blocks(test_blocks)
  assert_equal(self.tipheight, CSV_ACTIVATION_HEIGHT - 2)
  - self.log.info("Height = {}, CSV not yet active (will activate for block {}, not {})".format(self.tipheight, CSV_ACTIVATION_HEIGHT, CSV_ACTIVATION_HEIGHT - 1))
  + self.log.info(f"Height = {self.tipheight}, CSV not yet active (will activate for block {CSV_ACTIVATION_HEIGHT}, not {CSV_ACTIVATION_HEIGHT - 1})")
  assert not softfork_active(self.nodes[0], 'csv')
  # Test both version 1 and version 2 transactions for all tests
  