flake8>=4.0.1
pytest==4.6.11; python_version < '3.0'
pytest==6.2.5; python_version >= '3.0'
responses==0.14.0

flake8==3.9.2; python_version < '3.6'
flake8==4.0.1; python_version >= '3.6'
pytest==4.6.11; python_version < '3.0'
pytest==6.2.5; python_version >= '3.0'
responses==0.14.0

Fix flake8 dependency version for Python 2.7 and 3.5
Fix flake8 dependency version for Python 2.7 and 3.5

flake8 4.0.0 dropped support for those versions, so pin to the last release prior to that.
