old_contents: #!/usr/bin/env python
  # encoding=utf-8
  from __future__ import print_function
  import os
  import sys
  from setuptools import setup
  
  here = os.path.abspath(os.path.dirname(__file__))
  README = open(os.path.join(here, 'README.md')).read()
  
  needs_pytest = set(['pytest', 'test', 'ptr']).intersection(sys.argv)
  pytest_runner = ['pytest-runner'] if needs_pytest else []
  
  setup(name='mwclient',
        version='0.10.1',  # Use bumpversion to update
        description='MediaWiki API client',
        long_description=README,
        long_description_content_type='text/markdown',
        classifiers=[
            'Programming Language :: Python',
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3.5',
            'Programming Language :: Python :: 3.6',
            'Programming Language :: Python :: 3.7',
            'Programming Language :: Python :: 3.8',
        ],
        keywords='mediawiki wikipedia',
        author='Bryan Tong Minh',
        author_email='bryan.tongminh@gmail.com',
        url='https://github.com/btongminh/mwclient',
        license='MIT',
        packages=['mwclient'],
        install_requires=['requests-oauthlib', 'six'],
        setup_requires=pytest_runner,
        tests_require=['pytest', 'pytest-cov', 'mock',
                       'responses>=0.3.0', 'responses!=0.6.0'],
        zip_safe=True
        )
  
new_contents: #!/usr/bin/env python
  # encoding=utf-8
  from __future__ import print_function
  import os
  import sys
  from setuptools import setup
  
  here = os.path.abspath(os.path.dirname(__file__))
  README = open(os.path.join(here, 'README.md')).read()
  
  needs_pytest = set(['pytest', 'test', 'ptr']).intersection(sys.argv)
  pytest_runner = ['pytest-runner'] if needs_pytest else []
  
  setup(name='mwclient',
        version='0.10.1',  # Use bumpversion to update
        description='MediaWiki API client',
        long_description=README,
        long_description_content_type='text/markdown',
        classifiers=[
            'Programming Language :: Python',
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3.5',
            'Programming Language :: Python :: 3.6',
            'Programming Language :: Python :: 3.7',
            'Programming Language :: Python :: 3.8',
        ],
        keywords='mediawiki wikipedia',
        author='Bryan Tong Minh',
        author_email='bryan.tongminh@gmail.com',
        url='https://github.com/btongminh/mwclient',
        license='MIT',
        packages=['mwclient'],
        install_requires=['requests-oauthlib', 'six'],
        setup_requires=pytest_runner,
        tests_require=['pytest', 'pytest-cov',
                       'mock;python_version<"3.3"',
                       'responses>=0.3.0', 'responses!=0.6.0'],
        zip_safe=True
        )
  
subject: update test_require in setup.py