CI: update pyupgrade to 2.7.4 in pre-commit#37906

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MarcoGorelli merged 1 commit intopandas-dev:masterfrom

BAlmeidaS:pre-commit-update-pyupgrade

Nov 17, 2020

Commits on Nov 17, 2020

CI: update pyupgrade to 2.7.4 in pre-commit
BAlmeidaS
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