[#8530] convert exception handlers to except..as syntax

addons/auth_ldap/models/res_company_ldap.py

addons/auth_oauth/controllers/main.py

addons/auth_oauth/models/res_users.py

addons/auth_signup/controllers/main.py

addons/auth_signup/models/res_users.py

addons/base_gengo/wizard/base_gengo_translations.py

addons/base_import/models/base_import.py

addons/base_import_module/controllers/main.py

addons/base_import_module/models/ir_module.py

addons/bus/models/bus.py

addons/fetchmail/models/fetchmail.py

addons/gamification/models/goal.py

addons/google_account/models/google_service.py

addons/google_calendar/models/google_calendar.py

addons/mrp/tests/test_multicompany.py

addons/payment_ogone/controllers/main.py

addons/report/controllers/main.py

addons/web/controllers/main.py

addons/web_editor/controllers/main.py

addons/website/controllers/main.py