pip crash

[00:59:23][Step 1/4]     running install_scripts
[00:59:23][Step 1/4]     Traceback (most recent call last):
[00:59:23][Step 1/4]       File "<string>", line 1, in <module>
[00:59:23][Step 1/4]       File "/opt/TeamCity/temp/buildTmp/pip-u7Hfek-build/setup.py", line 12, in <module>
[00:59:23][Step 1/4]         'boto',
[00:59:23][Step 1/4]       File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
[00:59:23][Step 1/4]         dist.run_commands()
[00:59:23][Step 1/4]       File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
[00:59:23][Step 1/4]         self.run_command(cmd)
[00:59:23][Step 1/4]       File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
[00:59:23][Step 1/4]         cmd_obj.run()
[00:59:23][Step 1/4]       File "/opt/TeamCity/work/7afb7127b3a06c02/deploy/env/local/lib/python2.7/site-packages/setuptools/command/install.py", line 61, in run
[00:59:23][Step 1/4]         return orig.install.run(self)
[00:59:23][Step 1/4]       File "/usr/lib/python2.7/distutils/command/install.py", line 613, in run
[00:59:23][Step 1/4]         self.run_command(cmd_name)
[00:59:23][Step 1/4]       File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
[00:59:23][Step 1/4]         self.distribution.run_command(command)
[00:59:23][Step 1/4]       File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
[00:59:23][Step 1/4]         cmd_obj.run()
[00:59:23][Step 1/4]       File "/opt/TeamCity/work/7afb7127b3a06c02/deploy/env/local/lib/python2.7/site-packages/setuptools/command/install_scripts.py", line 17, in run
[00:59:23][Step 1/4]         import setuptools.command.easy_install as ei
[00:59:23][Step 1/4]       File "/opt/TeamCity/work/7afb7127b3a06c02/deploy/env/local/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 49, in <module>
[00:59:23][Step 1/4]         from setuptools.py27compat import rmtree_safe
[00:59:23][Step 1/4]       File "/opt/TeamCity/work/7afb7127b3a06c02/deploy/env/local/lib/python2.7/site-packages/setuptools/py27compat.py", line 7, in <module>
[00:59:23][Step 1/4]         import six
[00:59:23][Step 1/4]     ImportError: No module named six