python subprocess问题

[2017-06-30 09:24:01,609] {__init__.py:57} INFO - Using executor SequentialExecutor
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/usr/local/python/lib/python2.7/site-packages/flask/exthook.py:71: ExtDeprecationWarning: Importing flask.ext.cache is deprecated, use flask_cache instead.
  .format(x=modname), ExtDeprecationWarning
[2017-06-30 09:24:02,045] [29107] {models.py:167} INFO - Filling up the DagBag from /root/airflow/dags
Running the Gunicorn Server with:
Workers: 4 sync
Host: 0.0.0.0:8080
Timeout: 120
Logfiles: - -
=================================================================
Traceback (most recent call last):
  File "/usr/local/python/bin/airflow", line 28, in <module>
    args.func(args)
  File "/usr/local/python/lib/python2.7/site-packages/airflow/bin/cli.py", line 791, in webserver
    gunicorn_master_proc = subprocess.Popen(run_args)
  File "/usr/local/python/lib/python2.7/subprocess.py", line 390, in __init__
    errread, errwrite)
  File "/usr/local/python/lib/python2.7/subprocess.py", line 1024, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

解决方案

将 /usr/local/python-2.7.13/bin/ 配置到环境变量中

export PATH=$PATH:/usr/local/python-2.7.13/bin/