pip install restview

Collecting restview
  Downloading restview-2.3.0.tar.gz
Requirement already satisfied (use --upgrade to upgrade): docutils in /anaconda/lib/python2.7/site-packages (from restview)
Collecting readme (from restview)
  Downloading readme-0.5.1-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): pygments in /anaconda/lib/python2.7/site-packages (from restview)
Requirement already satisfied (use --upgrade to upgrade): six in /anaconda/lib/python2.7/site-packages (from readme->restview)
Requirement already satisfied (use --upgrade to upgrade): bleach in /anaconda/lib/python2.7/site-packages (from readme->restview)
Requirement already satisfied (use --upgrade to upgrade): html5lib>=0.999 in /anaconda/lib/python2.7/site-packages (from bleach->readme->restview)
Installing collected packages: readme, restview
  Exception:
  Traceback (most recent call last):
    File "//anaconda/lib/python2.7/site-packages/pip/basecommand.py", line 246, in main
      status = self.run(options, args)
    File "//anaconda/lib/python2.7/site-packages/pip/commands/install.py", line 352, in run
      root=options.root_path,
    File "//anaconda/lib/python2.7/site-packages/pip/req/req_set.py", line 693, in install
      **kwargs
    File "//anaconda/lib/python2.7/site-packages/pip/req/req_install.py", line 817, in install
      self.move_wheel_files(self.source_dir, root=root)
    File "//anaconda/lib/python2.7/site-packages/pip/req/req_install.py", line 1018, in move_wheel_files
      isolated=self.isolated,
    File "//anaconda/lib/python2.7/site-packages/pip/wheel.py", line 237, in move_wheel_files
      clobber(source, lib_dir, True)
    File "//anaconda/lib/python2.7/site-packages/pip/wheel.py", line 215, in clobber
      shutil.copyfile(srcfile, destfile)
    File "//anaconda/lib/python2.7/shutil.py", line 83, in copyfile
      with open(dst, 'wb') as fdst:
  IOError: [Errno 20] Not a directory: '//anaconda/lib/python2.7/site-packages/readme/__about__.py'