Fix import order with isort tool.

tools/telemetry/telemetry/web_components/web_components_project.py

 # Copyright 2014 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 os
 
-
 from telemetry.core import util
 from trace_viewer import trace_viewer_project
 
+
 def _FindAllFilesRecursive(source_paths, pred):
   all_filenames = set()
   for source_path in source_paths:
     for dirpath, _, filenames in os.walk(source_path):
       for f in filenames:
         if f.startswith('.'):
           continue
         x = os.path.abspath(os.path.join(dirpath, f))
         if pred(x):
           all_filenames.add(x)
@@ skipping 10 matching lines @@
                      os.path.join(self.telemetry_path, 'unittest_data'),
                      os.path.join(self.telemetry_path, 'support')]
     excluded_html_files = _FindAllFilesRecursive(
         exclude_paths,
         lambda x: x.endswith('.html'))
 
     self.non_module_html_files.extend(excluded_html_files)
     self.non_module_html_files.appendRel(self.telemetry_path, 'results.html')
 
     self.source_paths.append(self.telemetry_path)