Add typing extensions as dependency (#102)

Author: Kimahriman

python/pyproject.toml

@@ -12,6 +12,9 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
 ]
+dependencies = [
+    "typing-extensions"
+]
 
 [project.urls]
 repository = "https://github.com/Kimahriman/hdfs-native"

python/python/hdfs_native/__init__.py

@@ -1,5 +1,5 @@
 import io
-from typing import Iterator, Optional
+from typing import Iterator
 from typing_extensions import Buffer
 
 from ._internal import *