setup.py

from setuptools import setup
from setuptools.command.test import test as TestCommand
import sys


# read the contents of your README file
README = open('README.rst', 'r').read()

class Tox(TestCommand):

    def finalize_options(self):
        TestCommand.finalize_options(self)
        self.test_args = []
        self.test_suite = True

    def run_tests(self):
        #import here, cause outside the eggs aren't loaded
        import tox
        errno = tox.cmdline(self.test_args)
        sys.exit(errno)


setup(
    name='BitstampClient',
    version='2.2.10',
    description='Bitstamp API python implementation',
    packages=['bitstamp'],
    url='https://github.com/kmadac/bitstamp-python-client',
    license='MIT',
    author='Kamil Madac',
    author_email='kamil.madac@gmail.com',
    install_requires=['requests'],
    tests_require=['tox'],
    cmdclass={'test': Tox},
    long_description=README,
    long_description_content_type='text/x-rst'
)