[qa] Switch to py3

1 files changed, 15 insertions, 15 deletions

diff --git a/qa/rpc-tests/invalidateblock.py b/qa/rpc-tests/invalidateblock.py
index 0e78a3c806..2e3a449f5e 100755
--- a/qa/rpc-tests/invalidateblock.py
+++ b/qa/rpc-tests/invalidateblock.py
@@ -1,5 +1,5 @@
-#!/usr/bin/env python2
-# Copyright (c) 2014-2015 The Bitcoin Core developers
+#!/usr/bin/env python3
+# Copyright (c) 2014-2016 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -25,46 +25,46 @@ class InvalidateTest(BitcoinTestFramework):
         self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"]))
         
     def run_test(self):
-        print "Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:"
-        print "Mine 4 blocks on Node 0"
+        print("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
+        print("Mine 4 blocks on Node 0")
         self.nodes[0].generate(4)
         assert(self.nodes[0].getblockcount() == 4)
         besthash = self.nodes[0].getbestblockhash()
 
-        print "Mine competing 6 blocks on Node 1"
+        print("Mine competing 6 blocks on Node 1")
         self.nodes[1].generate(6)
         assert(self.nodes[1].getblockcount() == 6)
 
-        print "Connect nodes to force a reorg"
+        print("Connect nodes to force a reorg")
         connect_nodes_bi(self.nodes,0,1)
         sync_blocks(self.nodes[0:2])
         assert(self.nodes[0].getblockcount() == 6)
         badhash = self.nodes[1].getblockhash(2)
 
-        print "Invalidate block 2 on node 0 and verify we reorg to node 0's original chain"
+        print("Invalidate block 2 on node 0 and verify we reorg to node 0's original chain")
         self.nodes[0].invalidateblock(badhash)
         newheight = self.nodes[0].getblockcount()
         newhash = self.nodes[0].getbestblockhash()
         if (newheight != 4 or newhash != besthash):
             raise AssertionError("Wrong tip for node0, hash %s, height %d"%(newhash,newheight))
 
-        print "\nMake sure we won't reorg to a lower work chain:"
+        print("\nMake sure we won't reorg to a lower work chain:")
         connect_nodes_bi(self.nodes,1,2)
-        print "Sync node 2 to node 1 so both have 6 blocks"
+        print("Sync node 2 to node 1 so both have 6 blocks")
         sync_blocks(self.nodes[1:3])
         assert(self.nodes[2].getblockcount() == 6)
-        print "Invalidate block 5 on node 1 so its tip is now at 4"
+        print("Invalidate block 5 on node 1 so its tip is now at 4")
         self.nodes[1].invalidateblock(self.nodes[1].getblockhash(5))
         assert(self.nodes[1].getblockcount() == 4)
-        print "Invalidate block 3 on node 2, so its tip is now 2"
+        print("Invalidate block 3 on node 2, so its tip is now 2")
         self.nodes[2].invalidateblock(self.nodes[2].getblockhash(3))
         assert(self.nodes[2].getblockcount() == 2)
-        print "..and then mine a block"
+        print("..and then mine a block")
         self.nodes[2].generate(1)
-        print "Verify all nodes are at the right height"
+        print("Verify all nodes are at the right height")
         time.sleep(5)
-        for i in xrange(3):
-            print i,self.nodes[i].getblockcount()
+        for i in range(3):
+            print(i,self.nodes[i].getblockcount())
         assert(self.nodes[2].getblockcount() == 3)
         assert(self.nodes[0].getblockcount() == 4)
         node1height = self.nodes[1].getblockcount()