fix coding style

research/object_detection/meta_architectures/faster_rcnn_meta_arch.py

@@ -1976,7 +1976,7 @@ class FasterRCNNMetaArch(model.DetectionModel):
     num_levels = len(features_to_crop)
     box_levels = None
     if num_levels != 1:
-      # If there are mutiple levels to select, get the box levels 
+      # If there are mutiple levels to select, get the box levels
       box_levels = ops.fpn_feature_levels(num_levels, num_levels - 1,
                                           1.0/224, proposal_boxes_normalized)
     cropped_regions = self._flatten_first_two_dimensions(

research/object_detection/utils/ops.py

@@ -32,10 +32,12 @@ from object_detection.utils import spatial_transform_ops as spatial_ops
 from object_detection.utils import static_shape
 
 
-multilevel_matmul_crop_and_resize = spatial_ops.multilevel_matmul_crop_and_resize
+multilevel_matmul_crop_and_resize = \
+  spatial_ops.multilevel_matmul_crop_and_resize
 matmul_crop_and_resize = spatial_ops.matmul_crop_and_resize
 multilevel_roi_align = spatial_ops.multilevel_roi_align
-multilevel_native_crop_and_resize = spatial_ops.multilevel_native_crop_and_resize
+multilevel_native_crop_and_resize = \
+  spatial_ops.multilevel_native_crop_and_resize
 native_crop_and_resize = spatial_ops.native_crop_and_resize