Clean up JSON Schema Compiler.

tools/json_schema_compiler/json_schema_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import json_schema
-import json_schema_test
 import unittest
 
 class JsonSchemaUnittest(unittest.TestCase):
   def testNocompile(self):
     compiled = [
       {
         "namespace": "compile",
         "description": "The compile API.",
         "functions": [],
         "types":     {}
@@ skipping 54 matching lines @@
               }
             }
           }
         }
       }
     ]
 
     schema = json_schema.CachedLoad('test/json_schema_test.json')
     self.assertEquals(compiled, json_schema.DeleteNodes(schema, 'nocompile'))
 
+
 if __name__ == '__main__':
   unittest.main()