diff --git a/rtree/core.py b/rtree/core.py
index 6b9eb1a8..bd0579de 100644
--- a/rtree/core.py
+++ b/rtree/core.py
@@ -134,7 +134,7 @@ def free_error_msg_ptr(result, func, cargs):
     ctypes.c_uint64,
     ctypes.c_void_p,
     ctypes.c_void_p,
-    ctypes.c_void_p
+    ctypes.c_void_p,
 ]
 rt.Index_CreateWithArray.restype = ctypes.c_void_p
 rt.Index_CreateWithArray.errcheck = check_void  # type: ignore
diff --git a/rtree/index.py b/rtree/index.py
index d11da29e..9ad6e0cc 100644
--- a/rtree/index.py
+++ b/rtree/index.py
@@ -291,8 +291,7 @@ def __init__(self, *args: Any, **kwargs: Any) -> None:
                 for item in stream:
                     self.insert(*item)
             elif arrays:
-                raise NotImplementedError("Bulk insert only supported for "
-                                          "RTrees")
+                raise NotImplementedError("Bulk insert only supported for " "RTrees")
 
     def get_size(self) -> int:
         warnings.warn(
@@ -1282,9 +1281,17 @@ def _create_idx_from_array(self, ibuf, minbuf, maxbuf):
         d_i_stri = minbuf.strides[0] // 8
         d_j_stri = minbuf.strides[1] // 8
 
-        return IndexArrayHandle(self.properties.handle, n, d, i_stri,
-                                d_i_stri, d_j_stri, ibuf.ctypes.data,
-                                minbuf.ctypes.data, maxbuf.ctypes.data)
+        return IndexArrayHandle(
+            self.properties.handle,
+            n,
+            d,
+            i_stri,
+            d_i_stri,
+            d_j_stri,
+            ibuf.ctypes.data,
+            minbuf.ctypes.data,
+            maxbuf.ctypes.data,
+        )
 
     def leaves(self):
         leaf_node_count = ctypes.c_uint32()