fix: mypy tox issue. (ethereum#746)

shemnon · Aug 13, 2024 · a3dbf48 · a3dbf48
1 parent 742e21c
commit a3dbf48
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/ethereum_test_types/types.py b/src/ethereum_test_types/types.py
@@ -1055,6 +1055,8 @@ def created_contract(self) -> Address:
         nonce_bytes = (
             bytes() if self.nonce == 0 else self.nonce.to_bytes(length=1, byteorder="big")
         )
+        if self.sender is None:
+            raise ValueError("sender address is None")
         hash = keccak256(eth_rlp.encode([self.sender, nonce_bytes]))
         return Address(hash[-20:])