Collecting pascal3d==0.1
  1 location(s) to search for versions of pascal3d:
  * https://pypi.python.org/simple/pascal3d/
  Getting page https://pypi.python.org/simple/pascal3d/
  Analyzing links from page https://pypi.python.org/simple/pascal3d/
    Found link https://pypi.python.org/packages/f5/6d/604cf9946b653038b56c6e45c533ddb68e1fa5565a752258c546c5b9a04a/pascal3d-0.1.tar.gz#md5=7495cfd553d49301704dadc0fcf6b3aa (from https://pypi.python.org/simple/pascal3d/), version: 0.1
  Using version 0.1 (newest of versions: 0.1)
  Downloading pascal3d-0.1.tar.gz (66kB)
  Downloading from URL https://pypi.python.org/packages/f5/6d/604cf9946b653038b56c6e45c533ddb68e1fa5565a752258c546c5b9a04a/pascal3d-0.1.tar.gz#md5=7495cfd553d49301704dadc0fcf6b3aa (from https://pypi.python.org/simple/pascal3d/)
  Running setup.py (path:/tmp/pip-build-e7_hxc9a/pascal3d/setup.py) egg_info for package pascal3d
    Running command python setup.py egg_info
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-e7_hxc9a/pascal3d/setup.py", line 11, in <module>
        from skimage._build import cython
    ImportError: No module named 'skimage'
Cleaning up...
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-e7_hxc9a/pascal3d/
Exception information:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python3/dist-packages/pip/commands/wheel.py", line 199, in run
    if not wb.build():
  File "/usr/lib/python3/dist-packages/pip/wheel.py", line 749, in build
    self.requirement_set.prepare_files(self.finder)
  File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 634, in _prepare_file
    abstract_dist.prep_for_dist()
  File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 129, in prep_for_dist
    self.req_to_install.run_egg_info()
  File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 439, in run_egg_info
    command_desc='python setup.py egg_info')
  File "/usr/lib/python3/dist-packages/pip/utils/__init__.py", line 725, in call_subprocess
    % (command_desc, proc.returncode, cwd))
pip.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-e7_hxc9a/pascal3d/