Tim D. Smith b1d9169ae6 language/python: add package_available? helper
Add helper to check whether a module is importable.

Closes Homebrew/homebrew#37345.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
2015-03-03 06:31:29 -08:00
..
2014-09-07 14:07:12 -05:00