$pip list
backports.ssl-match-hostname (3.4.0.2)
blinker (1.3)
certifi (2015.4.28)
cffi (0.8.6)
ConfigArgParse (0.9.3)
cryptography (0.8.2)
enum34 (1.0.4)
gccinvocation (0.1)
idna (2.0)
ipaddress (1.0.7)
lxml (3.4.1)
mitmproxy (0.12.1)
pip (7.0.3)
pyasn1 (0.1.7)
pycparser (2.13)
pyOpenSSL (0.15.1)
pyperclip (1.5.11)
setuptools (17.0)
six (1.9.0)
tornado (4.2)
urwid (1.3.0)
virtualenv (13.0.3)
wheel (0.24.0)