[FIX] Tax rounding not applied in Invoice

account_avatax/models/account_move.py

@@ -281,7 +281,7 @@ def _avatax_compute_tax(self, commit=False):
 
             # Set Taxes on lines in a way that properly triggers onchanges
             # This same approach is also used by the official account_taxcloud connector
-            with Form(self) as move_form:
+            with Form(self.with_context(avatax_invoice=self, check_move_validity=False)) as move_form:
                 for index, taxes in taxes_to_set:
                     with move_form.invoice_line_ids.edit(index) as line_form:
                         line_form.tax_ids.clear()