urllib3<1.27,>=1.21.1 certifi>=2017.4.17 [:python_version < "3"] chardet<5,>=3.0.2 idna<3,>=2.5 [:python_version >= "3"] charset_normalizer~=2.0.0 idna<4,>=2.5 [security] [socks] PySocks!=1.5.7,>=1.5.6 [socks:sys_platform == "win32" and python_version == "2.7"] win_inet_pton [use_chardet_on_py3] chardet<5,>=3.0.2