owtf: OWTF develop branch install error in Kali Linux 2.0

Hi,

I’m using Kali Linux 2.0 x86_64

I tried to install OWTF develop branch using official install script:

wget https://raw.githubusercontent.com/owtf/bootstrap-script/master/bootstrap.sh
bash bootstrap.sh

and meet next errors:

  Found existing installation: cryptography 0.9.3
    Not uninstalling cryptography at /usr/lib/python2.7/dist-packages, owned by OS
  Running setup.py install for cryptography

    Installed /tmp/pip-build-ARN7u7/cryptography/cffi-1.2.1-py2.7-linux-x86_64.egg
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-ARN7u7/cryptography/setup.py", line 307, in <module>
        **keywords_with_side_effects(sys.argv)
      File "/usr/lib/python2.7/distutils/core.py", line 111, in setup
        _setup_distribution = dist = klass(attrs)
      File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 266, in __init__
        _Distribution.__init__(self,attrs)
      File "/usr/lib/python2.7/distutils/dist.py", line 287, in __init__
        self.finalize_options()
      File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 301, in finalize_options
        ep.load()(self, ep.name, value)
      File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2190, in load
        ['__name__'])
    ImportError: No module named setuptools_ext
    Complete output from command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-ARN7u7/cryptography/setup.py';exec(compile(g
etattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-8OnFdz-record/install-record.txt 
--single-version-externally-managed --compile:

Installed /tmp/pip-build-ARN7u7/cryptography/cffi-1.2.1-py2.7-linux-x86_64.egg

Traceback (most recent call last):

  File "<string>", line 1, in <module>

  File "/tmp/pip-build-ARN7u7/cryptography/setup.py", line 307, in <module>

    **keywords_with_side_effects(sys.argv)

  File "/usr/lib/python2.7/distutils/core.py", line 111, in setup

    _setup_distribution = dist = klass(attrs)

  File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 266, in __init__

    _Distribution.__init__(self,attrs)

  File "/usr/lib/python2.7/distutils/dist.py", line 287, in __init__

    self.finalize_options()

  File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 301, in finalize_options

    ep.load()(self, ep.name, value)

  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2190, in load

    ['__name__'])

ImportError: No module named setuptools_ext

----------------------------------------

  Can't roll back cryptography; was not uninstalled
Cleaning up...
Command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-ARN7u7/cryptography/setup.py';exec(compile(getattr(tokenize, 'open', 
open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-8OnFdz-record/install-record.txt --single-version-external
ly-managed --compile failed with error code 1 in /tmp/pip-build-ARN7u7/cryptography
Traceback (most recent call last):
  File "/usr/bin/pip2", line 9, in <module>
    load_entry_point('pip==1.5.6', 'console_scripts', 'pip2')()
  File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 248, in main
    return command.main(cmd_args)
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 161, in main
    text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 62: ordinal not in range(128)
[*] Finished
#? 1) OWTF 1.0.1 Lionheart       3) OWTF develop branch
2) OWTF master branch    4) Quit
#?