prepare release 4.2.0 (#1144)
Prepare release 4.1.1 (#1077)
prepare release 4.1.0 (#1072)
typing-extensions release 4.0.1
prepare release 4.0.0 (#941)
prepare release 3.10.0.2 (#873)
prepare release 3.10.0.1 (#863)
prepare release 3.10.0.0 (#805)
Revert last two changes; bump version to 3.7.4.3 This should address issues due to projects including 'typing' in their requirements.txt file without a version constraint on Python (or pinning to 3.7.4.1).
Bump version to 3.7.4.2