disable flake8 on sphinx config. file and in recorded test data files
Fix flake8 warnings and errors
Activate flake8 tests
reduce long lines to 79 chars
remove noqa at end of lines
Add notice explaining that data files used by test ignore pep8
:retab data files used in tests, remove a unused import
Run autopep8 -a -i on data files used in tests

Lines length cannot be corrected though
pep8 sphinx config file
Merge pull request #8 from guewen/7.0-pep8

Fix flake8 warnings and errors
When a sales order is canceled, when one uses the 'New Copy from Quotation' button,
the binding are moved from the old (canceled) order to the new one, so the
synchronizations now happen on the new order.
Correct Python trap with string formatting

It would try to convert the items of a tuple to arguments of the
string formatting, and would raise the following error:

TypeError: not all arguments converted during string formatting