Adding a guard to the `futures` requirement in azure-cli-core. (#8626)
Adding a guard to the `futures` requirement in azure-cli-core. (#8626)

Fixes #8253
yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli