Downloading/unpacking zope.interface
  Downloading zope.interface-4.1.2.tar.gz (919kB): 919kB downloaded
  Running setup.py (path:/home/cce/py3/build/zope.interface/setup.py) egg_info for package zope.interface

    warning: no previously-included files matching '*.dll' found anywhere in distribution
    warning: no previously-included files matching '*.pyc' found anywhere in distribution
    warning: no previously-included files matching '*.pyo' found anywhere in distribution
    warning: no previously-included files matching '*.so' found anywhere in distribution
Requirement already satisfied (use --upgrade to upgrade): setuptools in /home/cce/py3/lib/python3.4/site-packages (from zope.interface)
Installing collected packages: zope.interface
  Running setup.py install for zope.interface

    warning: no previously-included files matching '*.dll' found anywhere in distribution
    warning: no previously-included files matching '*.pyc' found anywhere in distribution
    warning: no previously-included files matching '*.pyo' found anywhere in distribution
    warning: no previously-included files matching '*.so' found anywhere in distribution
    building 'zope.interface._zope_interface_coptimizations' extension
    x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -fPIC -I/home/cce/py3/include -I/usr/include/python3.4m -c src/zope/interface/_zope_interface_coptimizations.c -o build/temp.linux-x86_64-3.4/src/zope/interface/_zope_interface_coptimizations.o
    src/zope/interface/_zope_interface_coptimizations.c:15:20: fatal error: Python.h: No such file or directory
    compilation terminated.
    ********************************************************************************
    WARNING:

            An optional code optimization (C extension) could not be compiled.

            Optimizations for this package will not be available!

    command 'x86_64-linux-gnu-gcc' failed with exit status 1
    ********************************************************************************
    Skipping installation of /home/cce/py3/lib/python3.4/site-packages/zope/__init__.py (namespace package)
    Installing /home/cce/py3/lib/python3.4/site-packages/zope.interface-4.1.2-py3.4-nspkg.pth
Successfully installed zope.interface
Cleaning up...