Fix mocking pathlib in python < 3.13

src/python_spectrometer/core.py

@@ -1677,13 +1677,12 @@ def _load_spectrum(file: _pathT) -> Dict[str, Any]:
 
     # Patch modules for data saved before move to separate package
     renamed_modules = {'qutil.measurement.spectrometer.daq.settings': daq_settings}
+    target = 'pathlib._local' if sys.version_info >= (3, 13) else 'pathlib'
     PATHTYPE = type(Path())
 
     with (
             mock.patch.dict(sys.modules, renamed_modules),
-            mock.patch.multiple('pathlib', WindowsPath=PATHTYPE, PosixPath=PATHTYPE),
-            mock.patch.multiple('pathlib._local', WindowsPath=PATHTYPE, PosixPath=PATHTYPE,
-                                create=True),  # backwards compatibility
+            mock.patch.multiple(target, WindowsPath=PATHTYPE, PosixPath=PATHTYPE),
             np.load(file, allow_pickle=True) as fp,
             monkey_patched_io()
     ):