[FIX] - project_task_state: Fixed module
[FIX] - project_task_state: Fixed module

Fixed: migrated from Odoo 8.0 to Odoo 9.0

ClearCorp/odoo-clearcorp,ClearCorp/odoo-clearcorp,ClearCorp/odoo-clearcorp,ClearCorp/odoo-clearcorp