aiofiles aiohttp>=2.3.0 chardet<=2.3.0 beautifulsoup4 coverage httptools flake8 pytest==3.3.2 tox ujson; sys_platform != "win32" and implementation_name == "cpython" uvloop; sys_platform != "win32" and implementation_name == "cpython" gunicorn multidict>=4.0,<5.0