Twisted[http2]>=17.9.0
cryptography>=2.0
cssselect>=0.9.1
itemloaders>=1.0.1
parsel>=1.5.0
pyOpenSSL>=16.2.0
queuelib>=1.4.2
service_identity>=16.0.0
w3lib>=1.17.0
zope.interface>=4.1.3
protego>=0.1.15
itemadapter>=0.1.0
h2>=3.0

[:platform_python_implementation == "CPython"]
lxml>=3.5.0
PyDispatcher>=2.0.5

[:platform_python_implementation == "PyPy"]
lxml>=4.0.0
PyPyDispatcher>=2.1.0
