address comment

Signed-off-by: James Xin <[email protected]>

python/python/glide/async_commands/bitmap.py

@@ -37,7 +37,8 @@ def __init__(
 
         Args:
             start (int): The starting offset index.
-            end (int): The ending offset index. Optional since Valkey version 8.0.0 and above. If not provided, it will default to the end of the string.
+            end (Optional[int]): The ending offset index. Optional since Valkey version 8.0.0 and above. If not provided,
+            it will default to the end of the string.
             index_type (Optional[BitmapIndexType]): The index offset type. This option can only be specified if you are
                 using Valkey version 7.0.0 or above. Could be either `BitmapIndexType.BYTE` or `BitmapIndexType.BIT`.
                 If no index type is provided, the indexes will be assumed to be byte indexes.