suppress errors in `vision/fair/pytorch3d`

Differential Revision: D42775736

fbshipit-source-id: 8425305cd99d50ebc155502d56c0deeee1d078ab

pytorch3d/implicitron/dataset/json_index_dataset.py

@@ -894,11 +894,11 @@ class JsonIndexDataset(DatasetBase, ReplaceableBase):
         for idx in idxs:
             if (
                 subset_filter is not None
+                # pyre-fixme[16]: `JsonIndexDataset` has no attribute `frame_annots`.
                 and self.frame_annots[idx]["subset"] not in subset_filter
             ):
                 continue
 
-            # pyre-ignore[16]
             frame_annotation = self.frame_annots[idx]["frame_annotation"]
             out.append(
                 (frame_annotation.frame_number, frame_annotation.frame_timestamp)

pytorch3d/implicitron/dataset/single_sequence_dataset.py

@@ -46,6 +46,8 @@ class SingleSceneDataset(DatasetBase, Configurable):
     def __len__(self) -> int:
         return len(self.poses)
 
+    # pyre-fixme[14]: `sequence_frames_in_order` overrides method defined in
+    #  `DatasetBase` inconsistently.
     def sequence_frames_in_order(
         self, seq_name: str
     ) -> Iterator[Tuple[float, int, int]]: