gabrielfalcao/lettuce — pull request #232 by nickdeveaux (2012-03-05 22:36:38+00:00)
Title: os.getenv does not raise an exception when the value is not found. This ...

...code fix returns (LINES, COLUMNS) when the env vars are defined, (25, 80) when they are not defined. Previously, cr = (None, None) was returned when the env vars COLUMNS and LINES were not defined