fix: Allow user to update exchange rate in Multi-currency LCV
diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index aab5770..c33e556 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -795,7 +795,7 @@
for d in self.doc.get(self.tax_field):
if d.account_currency == company_currency:
d.exchange_rate = 1
- elif not d.exchange_rate or d.exchange_rate == 1 or self.doc.posting_date:
+ elif not d.exchange_rate:
d.exchange_rate = get_exchange_rate(self.doc.posting_date, account=d.expense_account,
account_currency=d.account_currency, company=self.doc.company)