Revert "Fixed a bug when there is no argument called env"

Created by: siebenkopf

Reverts bioidiap/bob.bio.base#18

Please revert the PR as soon as it is possible.

Created by: siebenkopf

I leave this PR open until you are ready to implement it.

Created by: coveralls

Coverage increased (+0.02%) to 87.274% when pulling e990d550 on revert-18-master into b98f996d on master.

Reassigned to @amohammadi

Reassigned to @tiago.pereira

@tiago.pereira, can you merge this?

mentioned in commit 7c8fc29b

Status changed to merged

Mentioned in issue #47 (closed)