demonstrate ExitStack assuming connect returns a context manager
demonstrate ExitStack assuming connect returns a context manager

nicoddemus/pytest,pytest-dev/pytest,The-Compiler/pytest,markshao/pytest,RonnyPfannschmidt/pytest,tomviner/pytest,tomviner/pytest,nicoddemus/pytest,alfredodeza/pytest,Akasurde/pytest,The-Compiler/pytest