Cleanup pylint errors

pylib/gyp/__init__.py

Index: pylib/gyp/__init__.py
diff --git a/pylib/gyp/__init__.py b/pylib/gyp/__init__.py
index c24239a7a9fa40ab122907ffbfd7874d1f322843..2b7f756440247001990e939213a142407acb493f 100755
--- a/pylib/gyp/__init__.py
+++ b/pylib/gyp/__init__.py
@@ -371,7 +371,7 @@ def gyp_main(args):
     if options.use_environment:
       generate_formats = os.environ.get('GYP_GENERATORS', [])
     if generate_formats:
-      generate_formats = re.split('[\s,]', generate_formats)
+      generate_formats = re.split(r'[\s,]', generate_formats)
     if generate_formats:
       options.formats = generate_formats
     else:
@@ -496,6 +496,7 @@ def gyp_main(args):
               'root_targets': options.root_targets}
 
     # Start with the default variables from the command line.
+    # pylint: disable=unbalanced-tuple-unpacking
     [generator, flat_list, targets, data] = Load(
         build_files, format, cmdline_default_variables, includes, options.depth,
         params, options.check, options.circular_check)