test.yaml:10:9: pyflakes reported issue in this script: 1:7: undefined name 'hello' [pyflakes]
test.yaml:19:9: pyflakes reported issue in this script: 2:5: import 'sys' from line 1 shadowed by loop variable [pyflakes]
test.yaml:23:9: pyflakes reported issue in this script: 1:1: 'time.sleep' imported but unused [pyflakes]
