Traceback (most recent call last):
  File "thirdparty/google_appengine/old_dev_appserver.py", line 196, in <module>
    run_file(__file__, globals())
  File "thirdparty/google_appengine/old_dev_appserver.py", line 192, in run_file
    execfile(script_path, globals_)
  File "/home/ashish/A/soc/thirdparty/google_appengine/google/appengine/tools/dev_appserver_main.py", line 765, in <module>
    sys.exit(main(sys.argv))
  File "/home/ashish/A/soc/thirdparty/google_appengine/google/appengine/tools/dev_appserver_main.py", line 644, in main
    root_path, {}, default_partition=default_partition)
  File "/home/ashish/A/soc/thirdparty/google_appengine/google/appengine/tools/dev_appserver.py", line 3354, in LoadAppConfig
    'Could not find app.yaml in "%s".' % (root_path,))
google.appengine.tools.dev_appserver.AppConfigNotFoundError: Could not find app.yaml in "build".