old_contents: from setuptools import setup, find_packages
  
  setup(
      name='lightstep',
      version='3.0.11',
      description='LightStep Python OpenTracing Implementation',
      long_description='',
      author='LightStep',
      license='',
      install_requires=['thrift==0.10.0',
                        'jsonpickle',
                        'six',
                        'basictracer>=2.2,<2.3',
                        'googleapis-common-protos==1.5.3',
                        'requests==2.19.1'],
      tests_require=['pytest',
                     'sphinx',
                     'sphinx-epytext'],
      classifiers=[
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2',
      ],
  
      keywords=[ 'opentracing', 'lightstep', 'traceguide', 'tracing', 'microservices', 'distributed' ],
      packages=find_packages(exclude=['docs*', 'tests*', 'sample*']),
  )
  
new_contents: from setuptools import setup, find_packages
  
  setup(
      name='lightstep',
      version='3.0.11',
      description='LightStep Python OpenTracing Implementation',
      long_description='',
      author='LightStep',
      license='',
      install_requires=['thrift==0.10.0',
                        'jsonpickle',
                        'six',
                        'basictracer>=2.2,<2.3',
                        'googleapis-common-protos==1.5.3',
                        'requests>=2.19,<3.0'],
      tests_require=['pytest',
                     'sphinx',
                     'sphinx-epytext'],
      classifiers=[
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2',
      ],
  
      keywords=[ 'opentracing', 'lightstep', 'traceguide', 'tracing', 'microservices', 'distributed' ],
      packages=find_packages(exclude=['docs*', 'tests*', 'sample*']),
  )
  
subject: Make requests dependency version more flexible