fix DataProvider with batch_postprocessors

Author: pythonlessons

CHANGELOG.md

@@ -1,3 +1,8 @@
+## [1.0.15] - 2022-07-15
+### Changed
+- Fixed bug in `mltu.dataProvider.DataProvider` to work with `batch_postprocessors`.
+
+
 ## [1.0.14] - 2022-07-13
 ### Changed
 - Included `augment_annotation` bool option to all `mltu.augmentors` to be able to choose whether to augment annotation or not

mltu/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "1.0.14"
+__version__ = "1.0.15"
 
 from .annotations.images import Image
 from .annotations.images import CVImage

mltu/dataProvider.py

@@ -265,7 +265,7 @@ def __getitem__(self, index: int):
             batch_data.append(data)
             batch_annotations.append(annotation)
 
-        if self._batch_postprocessors is not None:
+        if self._batch_postprocessors:
             for batch_postprocessor in self._batch_postprocessors:
                 batch_data, batch_annotations = batch_postprocessor(batch_data, batch_annotations)