tests: test-archive.t use print_function

tests/test-archive.t

@@ -195,6 +195,7 b" The '-t' should override autodetection"
   > done
 
   $ cat > md5comp.py <<EOF
+  > from __future__ import print_function
   > try:
   >     from hashlib import md5
   > except ImportError:
@@ -203,7 +204,7 b" The '-t' should override autodetection"
   > f1, f2 = sys.argv[1:3]
   > h1 = md5(file(f1, 'rb').read()).hexdigest()
   > h2 = md5(file(f2, 'rb').read()).hexdigest()
-  > print h1 == h2 or "md5 differ: " + repr((h1, h2))
+  > print(h1 == h2 or "md5 differ: " + repr((h1, h2)))
   > EOF
 
 archive name is stored in the archive, so create similar archives and
@@ -343,8 +344,9 b' configured as GMT.'
   $ hg -R repo add repo/a
   $ hg -R repo commit -m '#0' -d '456789012 21600'
   $ cat > show_mtime.py <<EOF
+  > from __future__ import print_function
   > import sys, os
-  > print int(os.stat(sys.argv[1]).st_mtime)
+  > print(int(os.stat(sys.argv[1]).st_mtime))
   > EOF
 
   $ hg -R repo archive --prefix tar-extracted archive.tar