(.venv) $ pip install -e .
Obtaining file:///home/freezer/freezer-api
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/home/freezer/freezer-api/setup.py", line 29, in <module>
        pbr=True)
      File "/usr/lib/python2.7/distutils/core.py", line 111, in setup
        _setup_distribution = dist = klass(attrs)
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/setuptools/dist.py", line 269, in __init__
        self.fetch_build_eggs(attrs['setup_requires'])
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/setuptools/dist.py", line 313, in fetch_build_eggs
        replace_conflicting=True,
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 825, in resolve
        dist = best[req.key] = env.best_match(req, ws, installer)
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1070, in best_match
        return self.obtain(req, installer)
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1082, in obtain
        return installer(requirement)
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/setuptools/dist.py", line 357, in fetch_build_egg
        dist = self.__class__({'script_args':['easy_install']})
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/setuptools/dist.py", line 272, in __init__
        _Distribution.__init__(self,attrs)
      File "/usr/lib/python2.7/distutils/dist.py", line 287, in __init__
        self.finalize_options()
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/setuptools/dist.py", line 326, in finalize_options
        ep.require(installer=self.fetch_build_egg)
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2395, in require
        reqs = self.dist.requires(self.extras)
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2640, in requires
        dm = self._dep_map
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2864, in _dep_map
        self.__dep_map = self._compute_dependencies()
      File "/home/freezer/freezer-api/.venv/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2881, in _compute_dependencies
        from _markerlib import compile as compile_marker
    ImportError: No module named _markerlib

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /home/freezer/freezer-api/