fix mypy

Author: mvadari

xrpl/models/transactions/clawback.py

@@ -50,17 +50,15 @@ def _get_errors(self: Self) -> Dict[str, str]:
         # Amount transaction errors
         if is_xrp(self.amount):
             errors["amount"] = "``amount`` cannot be XRP."
-
-        if is_issued_currency(self.amount):
+        elif is_issued_currency(self.amount):
             if self.holder is not None:
                 errors["amount"] = "Cannot have Holder for currency."
-            if self.account == self.amount.issuer:  # type:ignore
+            if self.account == self.amount.issuer:
                 errors["amount"] = "Holder's address is wrong."
-
-        if is_mpt(self.amount):
+        elif is_mpt(self.amount):
             if self.holder is None:
                 errors["amount"] = "Missing Holder."
-            if self.account == self.holder:
+            elif self.account == self.holder:
                 errors["amount"] = "Invalid Holder account."
 
         return errors