diff --git a/tests/test-tokenizer-random.py b/tests/test-tokenizer-random.py
index 6bc782b96..2bc14e23f 100644
--- a/tests/test-tokenizer-random.py
+++ b/tests/test-tokenizer-random.py
@@ -18,7 +18,7 @@ import subprocess
 import random
 import unicodedata
 from pathlib import Path
-from typing import Any, Iterator, cast
+from typing import Any, Iterator, cast, Sequence
 from typing_extensions import Buffer
 #
 # External Imports
@@ -31,18 +31,13 @@ logger = logging.getLogger("test-tokenizer-random")
 if shutil.which("gcc") is None:
     raise EnvironmentError("GCC is not available on this system. Please install GCC or use preprocessed headers.")
 
+
 class LibLlama:
 
     DEFAULT_PATH_LLAMA_H = "./include/llama.h"
     DEFAULT_PATH_INCLUDES = ["./ggml/include/", "./include/"]
     DEFAULT_PATH_LIBLLAMA = "./build/src/libllama.so"  # CMakeLists.txt: BUILD_SHARED_LIBS ON
 
-    def __enter__(self):
-        return self
-
-    def __exit__(self, exc_type, exc_value, traceback):
-        self.free()
-
     def __init__(self, path_llama_h: str | None = None, path_includes: list[str] = [], path_libllama: str | None = None):
         path_llama_h = path_llama_h or self.DEFAULT_PATH_LLAMA_H
         path_includes = path_includes or self.DEFAULT_PATH_INCLUDES
@@ -495,6 +490,7 @@ def compare_tokenizers(tokenizer1: TokenizerGroundtruth, tokenizer2: TokenizerLl
     except Exception as e:
         logger.exception(f"An error occurred during tokenizer comparison: {e}")
 
+
 def main(argv: list[str] | None = None):
     parser = argparse.ArgumentParser()
     parser.add_argument("vocab_file", type=str, help="path to vocab 'gguf' file")