pip list 输出: APScheduler (3.6.3) chardet (3.0.4) distro (1.2.0) idna (2.7) Jinja2 (2.11.1) M2Crypto (0.35.2) MarkupSafe (0.23) msgpack (0.6.2) pip (9.0.3) psutil (5.6.7) pycurl (7.43.0)