diff --git a/projects/DensePose/densepose/evaluation/densepose_coco_evaluation.py b/projects/DensePose/densepose/evaluation/densepose_coco_evaluation.py
index 9d150de844..4c153ee30d 100644
--- a/projects/DensePose/densepose/evaluation/densepose_coco_evaluation.py
+++ b/projects/DensePose/densepose/evaluation/densepose_coco_evaluation.py
@@ -18,6 +18,7 @@
 from collections import defaultdict
 from enum import Enum
 from typing import Any, Dict, Tuple
+# pyre-fixme[21]: Could not find module `scipy.spatial.distance`.
 import scipy.spatial.distance as ssd
 import torch
 import torch.nn.functional as F
diff --git a/projects/DensePose/densepose/vis/extractor.py b/projects/DensePose/densepose/vis/extractor.py
index cdc52a5195..ace61e7837 100644
--- a/projects/DensePose/densepose/vis/extractor.py
+++ b/projects/DensePose/densepose/vis/extractor.py
@@ -5,6 +5,7 @@
 from typing import List, Optional, Sequence, Tuple
 import torch
 
+# pyre-fixme[21]: Could not find module `detectron2.layers.nms`.
 from detectron2.layers.nms import batched_nms
 from detectron2.structures.instances import Instances