Fix tiny bug in asd loading - ensure strings are converted to paths

Author: SylviaWhittle

topofileformats/asd.py

@@ -1,4 +1,5 @@
 """For decoding and loading .asd AFM file format into Python Numpy arrays."""
+
 from __future__ import annotations
 from pathlib import Path
 from typing import BinaryIO
@@ -163,6 +164,9 @@ def load_asd(file_path: Path | str, channel: str):
     version please either look into the `read_header_file_version_x` functions or print the keys too see what metadata
     is available.
     """
+    # Ensure the file path is a Path object
+    file_path = Path(file_path)
+    # Open the file in binary mode
     with Path.open(file_path, "rb", encoding=None) as open_file:  # pylint: disable=W1514
         file_version = read_file_version(open_file)