Merge pull request #3042 from matthiaskrgr/py3

update_lints.py: port another print to print() for python3 compatibility.

Author: mcarton

util/update_lints.py

@@ -107,7 +107,7 @@ def replace_region(fn, region_start, region_end, callback,
             new_lines.append(line)
 
     if not found:
-        print "regex " + region_start + " not found"
+        print("regex " + region_start + " not found")
 
     # write back to file
     if write_back: