fix #3929

7 years ago · 0a1542e249
1 changed files with 2 additions and 1 deletions
--- a/lib/wallet.py
+++ b/lib/wallet.py
@ -1720,7 +1720,8 @@ class Abstract_Wallet(PrintError):
            if fiat_value is not None:
                return fiat_value
            else:
-                return self.price_at_timestamp(txid, price_func) * txin_value/Decimal(COIN)
+                p = self.price_at_timestamp(txid, price_func)
+                return None if p is None else p * txin_value/Decimal(COIN)
        else:
            # could be some coinjoin transaction..
            return None