[FIX] Fixes singelton error message in method _compute_has_purchase_request_lines due to wrong implementation with api.multi (#241)
[FIX] Fixes singelton error message in method _compute_has_purchase_request_lines due to wrong implementation with api.multi (#241)


open-synergy/purchase-workflow,andrius-preimantas/purchase-workflow,andrius-preimantas/purchase-workflow,factorlibre/purchase-workflow,acsone/purchase-workflow,open-synergy/purchase-workflow,factorlibre/purchase-workflow,factorlibre/purchase-workflow,acsone/purchase-workflow,open-synergy/purchase-workflow,acsone/purchase-workflow,andrius-preimantas/purchase-workflow