catch one crash

Author: misrasaurabh1

codeflash/discovery/functions_to_optimize.py

@@ -288,6 +288,9 @@ def get_all_replay_test_functions(
             function = function_name
             file_path_parts = module_path_parts
         file_path = Path(project_root_path, *file_path_parts).with_suffix(".py")
+        if not file_path.exists():
+            print(f"{file_path} does not exist")
+            continue
         file_to_functions_map[file_path].append((function, function_name, class_name))
     for file_path, functions in file_to_functions_map.items():
         all_valid_functions: dict[Path, list[FunctionToOptimize]] = find_all_functions_in_file(file_path=file_path)