fix naming for an exception

Author: Carsons-Eels

src/ethereum_spec_tools/evm_tools/loaders/transaction_loader.py

@@ -22,7 +22,7 @@
 from ethereum_spec_tools.evm_tools.utils import parse_hex_or_int
 
 
-class UnsupportedTx(Exception):
+class UnsupportedTxError(Exception):
     """Exception for unsupported transactions"""
 
     def __init__(self, encoded_params: bytes, error_message: str) -> None:
@@ -203,6 +203,6 @@ def read(self) -> Any:
         try:
             return tx_cls(*parameters)
         except Exception as e:
-            raise UnsupportedTx(
+            raise UnsupportedTxError(
                 tx_byte_prefix + rlp.encode(parameters), str(e)
             ) from e

src/ethereum_spec_tools/evm_tools/t8n/t8n_types.py

@@ -12,7 +12,7 @@
 from ethereum.crypto.hash import Hash32, keccak256
 from ethereum.utils.hexadecimal import hex_to_bytes, hex_to_u256, hex_to_uint
 
-from ..loaders.transaction_loader import TransactionLoad, UnsupportedTx
+from ..loaders.transaction_loader import TransactionLoad, UnsupportedTxError
 from ..utils import FatalError, encode_to_hex, secp256k1_sign
 
 if TYPE_CHECKING:
@@ -116,7 +116,7 @@ def __init__(self, t8n: "T8N", stdin: Optional[Dict] = None):
                 else:
                     self.transactions.append(self.parse_json_tx(raw_tx))
                     self.successfully_parsed.append(idx)
-            except UnsupportedTx as e:
+            except UnsupportedTxError as e:
                 self.t8n.logger.warning(
                     f"Unsupported transaction type {idx}: "
                     f"{e.error_message}"