old_contents: #!/usr/bin/env python
  # coding=utf-8
  
  import sys
  from setuptools import setup, find_packages
  
  if sys.version_info[0] != 3:
      sys.exit('Sorry, only python 3.x is supported')
  
  setup(name='qcloud_cos_v4',
        version='0.0.23',
        description='python3 sdk for tencent qcloud cos v4.0',
        long_description=open('README.md', 'r').read(),
        license='MIT License',
        install_requires=['requests'],
        author='chenwenbin',
        author_email='chenwenbin1991@126.com',
        url='https://www.xiaodijiaoxue.cn',
        packages=find_packages())
  
new_contents: #!/usr/bin/env python
  # coding=utf-8
  
  import sys
  from setuptools import setup, find_packages
  
  if sys.version_info[0] != 3:
      sys.exit('Sorry, only python 3.x is supported')
  
  setup(name='qcloud_cos_v4',
        version='0.0.23',
        description='python3 sdk for tencent qcloud cos v4.0',
        long_description=open('README.md', 'r', encoding="utf8").read(),
        license='MIT License',
        install_requires=['requests'],
        author='chenwenbin',
        author_email='chenwenbin1991@126.com',
        url='https://www.xiaodijiaoxue.cn',
        packages=find_packages())
  
subject: Update setup.py