Merged in mask export method

model_server/accessors.py

@@ -189,7 +189,11 @@ def write_accessor_data_to_file(fpath: Path, accessor: GenericImageDataAccessor,
             [0, 1, 2, 3]
         )
         if accessor.is_mask():
-            tifffile.imwrite(fpath, zcyx.astype('uint8'), imagej=True)
+            if accessor.dtype == 'bool':
+                data = (zcyx * 255).astype('uint8')
+            else:
+                data = zcyx.astype('uint8')
+            tifffile.imwrite(fpath, data, imagej=True)
         else:
             tifffile.imwrite(fpath, zcyx, imagej=True)
     except: