old_contents: #coding:utf-8
  import sys
  from distutils.core import setup
  
  from setuptools.command.test import test as TestCommand
  
  
  class PyTest(TestCommand):
      user_options = [('pytest-args=', 'a', "Arguments to pass to py.test")]
  
      def initialize_options(self):
          TestCommand.initialize_options(self)
          self.pytest_args = []
  
      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 pytest
          errno = pytest.main(self.pytest_args)
          sys.exit(errno)
  
  
  setup(
      name='fantasydata-python',
      version='0.1',
      description='FantasyData Python',
      author='Fantasy Football Calculator',
      url='https://github.com/ffcalculator/fantasydata-python',
      packages=['fantasy_data'],
      tests_require=['pytest'],
      cmdclass = {'test': PyTest}
  )
  
new_contents: #coding:utf-8
  import sys
  from distutils.core import setup
  
  from setuptools.command.test import test as TestCommand
  
  
  class PyTest(TestCommand):
      user_options = [('pytest-args=', 'a', "Arguments to pass to py.test")]
  
      def initialize_options(self):
          TestCommand.initialize_options(self)
          self.pytest_args = []
  
      def finalize_options(self):
          TestCommand.finalize_options(self)
          self.test_args = ['tests']
          self.test_suite = True
  
      def run_tests(self):
          #import here, cause outside the eggs aren't loaded
          import pytest
          errno = pytest.main(self.pytest_args)
          sys.exit(errno)
  
  
  setup(
      name='fantasydata-python',
      version='0.1',
      description='FantasyData Python',
      author='Fantasy Football Calculator',
      url='https://github.com/ffcalculator/fantasydata-python',
      packages=['fantasy_data'],
      tests_require=['pytest'],
      cmdclass = {'test': PyTest}
  )
  
subject: Update setup.py to specify tests directory.