Some Python style nits.

util/update_lints.py

@@ -100,6 +100,7 @@ def gen_deprecated(lints):
     for lint in lints:
         yield '    store.register_removed("%s", "%s");\n' % (lint[1], lint[2])
 
+
 def replace_region(fn, region_start, region_end, callback,
                    replace_start=True, write_back=True):
     """Replace a region in a file delimited by two lines matching regexes.
@@ -168,8 +169,8 @@ def main(print_only=False, check=False):
     changed |= replace_region(
         'README.md',
         r'^There are \d+ lints included in this crate:', "",
-        lambda: ['There are %d lints included in this crate:\n' % (len(lints)
-            + len(restriction_lints))],
+        lambda: ['There are %d lints included in this crate:\n' %
+                 (len(lints) + len(restriction_lints))],
         write_back=not check)
 
     # update the links in the CHANGELOG