[PEP8] base_delivery_carrier_files_document
[PEP8] delivery_carrier_file_tnt
[PEP8] delivery_carrier_label_default_webkit
[PEP8] base_delivery_carrier_label
[PEP8] delivery_carrier_file_laposte
[PEP8] delivery_carrier_label_postlogistics
[PEP8] delivery_carrier_label_dispatch
Merge pull request #21 from yvaucher/7.0-pep8

Fix PEP8