test: fix lint errors

unstructured/nlp/tokenize.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
-import shutil
 import os
+import shutil
 from functools import lru_cache
 from typing import Final, List, Tuple
 
@@ -16,6 +16,7 @@
 NLTK_DATA_PATH = os.getenv("NLTK_DATA", "/home/notebook-user/nltk_data")
 nltk.data.path.append(NLTK_DATA_PATH)
 
+
 def copy_nltk_packages():
     local_path = "../../nltk_data"
     if os.path.exists(local_path):
@@ -32,6 +33,7 @@ def copy_nltk_packages():
     else:
         print(f"Local NLTK data path does not exist: {local_path}")
 
+
 def check_for_nltk_package(package_name: str, package_category: str) -> bool:
     """Checks to see if the specified NLTK package exists on the file system."""
     try: