[FIX] *: first small clean of the code

Friday afternoon cleanup. This is required so we can use "make test", as
there are currently hundreds of errors. For now, it is unusable because
of the oldest code in this repo.

closes odoo/documentation#3540

Signed-off-by: Castillo Jonathan (jcs) <jcs@odoo.com>

content/applications/finance/accounting/taxation/taxes/fiscal_positions.rst

@@ -81,7 +81,7 @@ Application
 .. _fiscal_positions/partner:
 
 Assign a Fiscal Position to a partner
---------------------------------------
+-------------------------------------
 
 You can manually define which Fiscal Position must be used by default for a specific partner.