ansible/ansible — pull request #2955 by jarv (2013-05-19 01:01:19+00:00)
Title: pip module blowing up when name is not included in arg list

This code:
```
if name.endswith('.tar.gz') or name.endswith('.tar.bz2') or
name.endswith('.zip'):
is_tar = True
```
was not checking whether name is defined since it is an
optional param.