diff --git a/rtree/index.py b/rtree/index.py
index e9d5b308..4e7ea09a 100644
--- a/rtree/index.py
+++ b/rtree/index.py
@@ -7,7 +7,7 @@
 import pprint
 import warnings
 from collections.abc import Iterator, Sequence
-from typing import Any, Generator, Literal, overload
+from typing import Any, Literal, overload
 
 from . import core
 from .exceptions import RTreeError
@@ -197,7 +197,6 @@ def __init__(
                 "TPR-Tree type not supported with version of libspatialindex"
             )
 
-
         if filename:
             self.properties.storage = RT_Disk
             self.properties.filename = filename