Modifing requires in develop

setup.py

#!/usr/bin/env python
# coding=utf-8

from setuptools import setup, find_packages
from setuptools.command.develop import develop

requires = [
    'requests'
]


class StupidDevel(develop):

    def run(self):
        requires.append('ipython')
        develop.run(self)


setup(name='lalala',
      version='0.0.1',
      description='That\'s stupid',
      long_description='DESCRIPTION',
      classifiers=[
      ],
      author='Łukasz Bołdys',
      author_email='mail@utek.pl',
      url='',
      keywords='',
      license='LICENSE',
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      test_suite='lalala',
      install_requires=requires,
      cmdclass={'develop': StupidDevel}
      )