old_contents: from setuptools import setup, Extension
  
  
  setup(
      name='asyncpg',
      version='0.0.1',
      description='An asyncio PosgtreSQL driver',
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Intended Audience :: Developers',
          'Programming Language :: Python :: 3',
          'Operating System :: POSIX',
          'Operating System :: MacOS :: MacOS X',
          'Development Status :: 4 - Beta',
      ],
      platforms=['POSIX'],
      author='MagicStack Inc',
      author_email='hello@magic.io',
      license='MIT',
      packages=['asyncpg'],
      provides=['asyncpg'],
      include_package_data=True,
      ext_modules=[
          Extension("asyncpg.protocol.protocol",
                    ["asyncpg/protocol/record/recordobj.c",
                     "asyncpg/protocol/protocol.c"],
                    extra_compile_args=['-O3'])
      ]
  )
  
new_contents: from setuptools import setup, Extension
  
  
  setup(
      name='asyncpg',
      version='0.0.1',
      description='An asyncio PosgtreSQL driver',
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Intended Audience :: Developers',
          'Programming Language :: Python :: 3',
          'Operating System :: POSIX',
          'Operating System :: MacOS :: MacOS X',
          'Development Status :: 4 - Beta',
      ],
      platforms=['POSIX'],
      author='MagicStack Inc',
      author_email='hello@magic.io',
      license='MIT',
      packages=['asyncpg'],
      provides=['asyncpg'],
      include_package_data=True,
      ext_modules=[
          Extension("asyncpg.protocol.protocol",
                    ["asyncpg/protocol/record/recordobj.c",
                     "asyncpg/protocol/protocol.c"],
                    extra_compile_args=['-O2'])
      ]
  )
  
subject: Switch optimization back to -O2