undumprevlog: update to valid Python 3 syntax
I didn't do anything to ensure correctness here, just enough to avoid
tracebacks in the import checker, which uses the native ast module to
try and parse all our Python files.
--- a/contrib/undumprevlog Wed Aug 23 01:08:09 2017 +0000
+++ b/contrib/undumprevlog Tue Aug 22 12:58:51 2017 -0400
@@ -3,7 +3,7 @@
# $ hg init
# $ undumprevlog < repo.dump
-from __future__ import absolute_import
+from __future__ import absolute_import, print_function
import sys
from mercurial import (
@@ -27,7 +27,7 @@
if l.startswith("file:"):
f = l[6:-1]
r = revlog.revlog(opener, f)
- print f
+ print(f)
elif l.startswith("node:"):
n = node.bin(l[6:-1])
elif l.startswith("linkrev:"):