Pin pycodestyle version to fix CI (#6078)
Pin pycodestyle version to fix CI (#6078)

* Pin pycodestyle version to fix CI

* Pin in CI script also

* changed wrong file

yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli,yugangw-msft/azure-cli