Route to PngFileAccessor

model_server/accessors.py

@@ -178,6 +178,8 @@ def generate_file_accessor(fpath):
         return TifSingleSeriesFileAccessor(fpath)
     elif str(fpath).upper().endswith('.CZI'):
         return CziImageFileAccessor(fpath)
+    elif str(fpath).upper().endswith('.PNG'):
+        return PngFileAccessor(fpath)
     else:
         raise FileAccessorError(f'Could not match a file accessor with {fpath}')