For unused variables reported by pyflakes, either remove the variable,

suppress the warning, or fix a bug (if the wrong variable was used).
refs #2450

Signed-off-by: Daira Hopwood <daira@jacaranda.org>

qa/rpc-tests/rawtransactions.py

@@ -106,11 +106,13 @@ class RawTransactionsTest(BitcoinTestFramework):
 
         mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey']])
         mSigObjValid = self.nodes[2].validateaddress(mSigObj)
+        assert_equal(mSigObjValid['isvalid'], True)
 
         txId       = self.nodes[0].sendtoaddress(mSigObj, 2.2);
         decTx = self.nodes[0].gettransaction(txId)
         rawTx = self.nodes[0].decoderawtransaction(decTx['hex'])
         sPK = rawTx['vout'][0]['scriptPubKey']['hex']
+        [sPK] # hush pyflakes
         self.sync_all()
         self.nodes[0].generate(1)
         self.sync_all()