Code review - avoiding evmon-t8n missing

Co-authored-by: danceratopz <[email protected]>

src/cli/eofwrap.py

@@ -13,12 +13,14 @@
 
 import json
 import os
+import sys
 from pathlib import Path
 from typing import Any, no_type_check
 
 import click
 
 from cli.evm_bytes import OpcodeWithOperands, process_evm_bytes
+from ethereum_clis import CLINotFoundInPath
 from ethereum_clis.clis.evmone import EvmOneTransitionTool
 from ethereum_test_base_types.base_types import Bytes
 from ethereum_test_base_types.conversions import to_hex
@@ -47,6 +49,14 @@ def eof_wrap(input: str, output_dir: str, traces: bool):
     """
     eof_wrapper = EofWrapper()
 
+    try:
+        EvmOneTransitionTool()
+    except CLINotFoundInPath:
+        print(f"Error: {EvmOneTransitionTool.default_binary} must be in the PATH.")
+        sys.exit(1)
+    except Exception as e:
+        raise Exception(f"Unexpected exception: {e}.")
+
     if os.path.isfile(input):
         file = os.path.basename(input)
         out_file = "eof_wrapped_" + file