Tools: Constrain the cffi package for older pythons

This commit is contained in:
Sergei Silnov 2021-10-21 11:43:19 +02:00
parent ff8531b08e
commit 77799ec529

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@ -8,4 +8,6 @@ setuptools
pyserial>=3.0
future>=0.15.2
cryptography>=2.1.4,<35
# cffi 1.15 supports Python 3.6+ only
cffi<1.15;python_version<'3.6'
pyparsing>=2.0.3,<2.4.0