Merge pull request #37 from bioio-devs/feature/PPS-Null-reset

feature/PPS-Null-reset

Author: BrianWhitneyAI

bioio_base/reader.py

@@ -245,7 +245,7 @@ def _reset_self(self) -> None:
         self._mosaic_xarray_data = None
         self._dims = None
         self._metadata = None
-        self._physical_pixel_sizes = PhysicalPixelSizes(None, None, None)
+        self._physical_pixel_sizes = None
 
     def set_scene(self, scene_id: Union[str, int]) -> None:
         """