new_contents: from __future__ import print_function
  import sys
  from setuptools import setup, find_packages
  
  if sys.version_info < (3,4):
      print("nnets requires Python 3.4 or later", file=sys.stderr)
      sys.exit(1)
  
  with open("README.md") as f:
      longdesc = f.read()
  
  setup (name = 'nnets',
         version = '0.1',
         description = "Neural Network representation.",
         author = 'Zahari Kassabov',
         author_email = 'kassabov@to.infn.it',
         url = 'https://github.com/Zaharid/nnets',
         long_description = longdesc,
         package_dir = {'': 'src'},
         packages = find_packages('src'),
         package_data = {
              '':[]
         },
         zip_safe = False,
         classifiers=[
              'License :: OSI Approved :: BSD License',
              'Operating System :: OS Independent',
              'Programming Language :: Python',
              'Topic :: Scientific/Engineering',
              'Topic :: Scientific/Engineering :: Physics',
              'Programming Language :: Python :: 2',
              'Programming Language :: Python :: 2.7',
              'Programming Language :: Python :: 3',
              'Programming Language :: Python :: 3.4',
              ],
         )
  
subject: Add setup.py