old_contents: from setuptools import setup
  
  setup(
      name="toutf8",
      version="1.3.0",
      license='http://www.apache.org/licenses/LICENSE-2.0',
      description="A tool to change all files in specified folder to utf-8 encoding",
      author='1e0n',
      author_email='i@leons.im',
      keywords='utf8 encoding gbk gb2312 shiftjis ascii gb18030',
      url='https://github.com/liangsun/toutf8',
      packages=['toutf8'],
      install_requires=['chardet'],
      entry_points={
          'console_scripts': [
              'toutf8=toutf8:main',
          ],
      },
      classifiers=[
          'Development Status :: 3 - Alpha',
  
          'License :: OSI Approved :: Apache',
  
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.2',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
      ],
  )
  
new_contents: from setuptools import setup
  
  setup(
      name="toutf8",
      version="1.3.0",
      license='http://www.apache.org/licenses/LICENSE-2.0',
      description="A tool to change all files in specified folder to utf-8 encoding",
      author='1e0n',
      author_email='i@leons.im',
      keywords='utf8 encoding gbk gb2312 shiftjis ascii gb18030',
      url='https://github.com/liangsun/toutf8',
      packages=['toutf8'],
      install_requires=['chardet'],
      entry_points={
          'console_scripts': [
              'toutf8=toutf8:main',
          ],
      },
  )
  
subject: Remove classifiers in setup.py