Alpha version (without tests)

apps/treasury/views.py

@@ -74,6 +74,7 @@ class InvoiceCreateView(ProtectQuerysetMixin, ProtectedCreateView):
 
         # For each product, we save it
         formset = ProductFormSet(self.request.POST, instance=form.instance)
+        print(formset)
         if formset.is_valid():
             for f in formset:
                 # We don't save the product if the designation is not entered, ie. if the line is empty