run.py运行出现No module named yaml

[rainstorm0506]

Traceback (most recent call last):
File "run.py", line 2, in
from config.emailConf import sendEmail
File "/home/vagrant/labs/Ticket/config/emailConf.py", line 5, in
from config.ticketConf import _get_yaml
File "/home/vagrant/labs/Ticket/config/ticketConf.py", line 4, in
import yaml
ImportError: No module named yaml

[testerSunshine]

@rainstorm0506 #91