python常用包安装错误

1. torndb导入错误

In [1]: import torndb-------------------------------------------------------ImportError    Traceback (most recent call last)<ipython-input-1-d1ba4c7a3e38> in <module>()----> 1 import torndb/Users/dkos/.virtualenvs/py35/lib/python3.5/site-packages/torndb.py in <module>()     31     32 try:---> 33     import MySQLdb.constants     34     import MySQLdb.converters     35     import MySQLdb.cursorsImportError: No module named 'MySQLdb'###############################解决方法###########################$:  pip install mysql-python$:  pip install mysqlclient