test: Fixup creatmultisig documentation and whitespace

test/functional/rpc_createmultisig.py

@@ -1,12 +1,13 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2018 The Bitcoin Core developers
+# Copyright (c) 2015-2019 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
-"""Test transaction signing using the signrawtransaction* RPCs."""
+"""Test multisig RPCs"""
 
 from test_framework.test_framework import BitcoinTestFramework
 import decimal
 
+
 class RpcCreateMultiSigTest(BitcoinTestFramework):
     def set_test_params(self):
         self.setup_clean_chain = True
@@ -17,9 +18,9 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
 
     def get_keys(self):
         node0, node1, node2 = self.nodes
-        self.add = [node1.getnewaddress() for _ in range(self.nkeys)]
-        self.pub = [node1.getaddressinfo(a)["pubkey"] for a in self.add]
-        self.priv = [node1.dumpprivkey(a) for a in self.add]
+        add = [node1.getnewaddress() for _ in range(self.nkeys)]
+        self.pub = [node1.getaddressinfo(a)["pubkey"] for a in add]
+        self.priv = [node1.dumpprivkey(a) for a in add]
         self.final = node2.getnewaddress()
 
     def run_test(self):
@@ -97,5 +98,6 @@ class RpcCreateMultiSigTest(BitcoinTestFramework):
         txinfo = node0.getrawtransaction(tx, True, blk)
         self.log.info("n/m=%d/%d %s size=%d vsize=%d weight=%d" % (self.nsigs, self.nkeys, self.output_type, txinfo["size"], txinfo["vsize"], txinfo["weight"]))
 
+
 if __name__ == '__main__':
     RpcCreateMultiSigTest().main()