diff --git a/pytorch3d/common/workaround/__init__.py b/pytorch3d/common/workaround/__init__.py
index 92ecd047..103eb25b 100644
--- a/pytorch3d/common/workaround/__init__.py
+++ b/pytorch3d/common/workaround/__init__.py
@@ -6,5 +6,6 @@
 
 # pyre-unsafe
 
+# pyre-fixme[21]: Could not find module `pytorch3d.common.workaround.symeig3x3`.
 from .symeig3x3 import symeig3x3
 from .utils import _safe_det_3x3
diff --git a/pytorch3d/loss/__init__.py b/pytorch3d/loss/__init__.py
index 3a9e3932..63e3faa4 100644
--- a/pytorch3d/loss/__init__.py
+++ b/pytorch3d/loss/__init__.py
@@ -8,8 +8,14 @@
 
 
 from .chamfer import chamfer_distance
+
+# pyre-fixme[21]: Could not find module `pytorch3d.loss.mesh_edge_loss`.
 from .mesh_edge_loss import mesh_edge_loss
+
+# pyre-fixme[21]: Could not find module `pytorch3d.loss.mesh_laplacian_smoothing`.
 from .mesh_laplacian_smoothing import mesh_laplacian_smoothing
+
+# pyre-fixme[21]: Could not find module `pytorch3d.loss.mesh_normal_consistency`.
 from .mesh_normal_consistency import mesh_normal_consistency
 from .point_mesh_distance import point_mesh_edge_distance, point_mesh_face_distance
 
diff --git a/pytorch3d/ops/__init__.py b/pytorch3d/ops/__init__.py
index ae82efd1..da671e86 100644
--- a/pytorch3d/ops/__init__.py
+++ b/pytorch3d/ops/__init__.py
@@ -6,16 +6,23 @@
 
 # pyre-unsafe
 
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.ball_query`.
 from .ball_query import ball_query
 from .cameras_alignment import corresponding_cameras_alignment
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.cubify`.
 from .cubify import cubify
 from .graph_conv import GraphConv
 from .interp_face_attrs import interpolate_face_attributes
 from .iou_box3d import box3d_overlap
 from .knn import knn_gather, knn_points
 from .laplacian_matrices import cot_laplacian, laplacian, norm_laplacian
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.mesh_face_areas_normals`.
 from .mesh_face_areas_normals import mesh_face_areas_normals
 from .mesh_filtering import taubin_smoothing
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.packed_to_padded`.
 from .packed_to_padded import packed_to_padded, padded_to_packed
 from .perspective_n_points import efficient_pnp
 from .points_alignment import corresponding_points_alignment, iterative_closest_point
@@ -27,7 +34,11 @@ from .points_to_volumes import (
     add_pointclouds_to_volumes,
     add_points_features_to_volume_densities_features,
 )
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.sample_farthest_points`.
 from .sample_farthest_points import sample_farthest_points
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.sample_points_from_meshes`.
 from .sample_points_from_meshes import sample_points_from_meshes
 from .subdivide_meshes import SubdivideMeshes
 from .utils import (
@@ -37,6 +48,8 @@ from .utils import (
     is_pointclouds,
     wmean,
 )
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.vert_align`.
 from .vert_align import vert_align
 
 
diff --git a/pytorch3d/ops/sample_points_from_meshes.py b/pytorch3d/ops/sample_points_from_meshes.py
index 95c530bf..8c7353ab 100644
--- a/pytorch3d/ops/sample_points_from_meshes.py
+++ b/pytorch3d/ops/sample_points_from_meshes.py
@@ -15,7 +15,11 @@ import sys
 from typing import Tuple, Union
 
 import torch
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.mesh_face_areas_normals`.
 from pytorch3d.ops.mesh_face_areas_normals import mesh_face_areas_normals
+
+# pyre-fixme[21]: Could not find module `pytorch3d.ops.packed_to_padded`.
 from pytorch3d.ops.packed_to_padded import packed_to_padded
 from pytorch3d.renderer.mesh.rasterizer import Fragments as MeshFragments
 
diff --git a/pytorch3d/renderer/mesh/__init__.py b/pytorch3d/renderer/mesh/__init__.py
index 8dcab52b..f0ff1689 100644
--- a/pytorch3d/renderer/mesh/__init__.py
+++ b/pytorch3d/renderer/mesh/__init__.py
@@ -12,6 +12,8 @@ from .clip import (
     ClippedFaces,
     convert_clipped_rasterization_to_original_faces,
 )
+
+# pyre-fixme[21]: Could not find module `pytorch3d.renderer.mesh.rasterize_meshes`.
 from .rasterize_meshes import rasterize_meshes
 from .rasterizer import MeshRasterizer, RasterizationSettings
 from .renderer import MeshRenderer, MeshRendererWithFragments
diff --git a/pytorch3d/renderer/mesh/rasterizer.py b/pytorch3d/renderer/mesh/rasterizer.py
index 0e5c9f4d..55ff563f 100644
--- a/pytorch3d/renderer/mesh/rasterizer.py
+++ b/pytorch3d/renderer/mesh/rasterizer.py
@@ -13,6 +13,7 @@ import torch
 import torch.nn as nn
 from pytorch3d.renderer.cameras import try_get_projection_transform
 
+# pyre-fixme[21]: Could not find module `pytorch3d.renderer.mesh.rasterize_meshes`.
 from .rasterize_meshes import rasterize_meshes
 
 
diff --git a/pytorch3d/renderer/points/__init__.py b/pytorch3d/renderer/points/__init__.py
index 452740d8..c591ddcf 100644
--- a/pytorch3d/renderer/points/__init__.py
+++ b/pytorch3d/renderer/points/__init__.py
@@ -8,6 +8,8 @@
 
 from .compositor import AlphaCompositor, NormWeightedCompositor
 from .pulsar.unified import PulsarPointsRenderer
+
+# pyre-fixme[21]: Could not find module `pytorch3d.renderer.points.rasterize_points`.
 from .rasterize_points import rasterize_points
 from .rasterizer import PointsRasterizationSettings, PointsRasterizer
 from .renderer import PointsRenderer
diff --git a/pytorch3d/renderer/points/rasterize_points.py b/pytorch3d/renderer/points/rasterize_points.py
index 19c9096e..15ac7707 100644
--- a/pytorch3d/renderer/points/rasterize_points.py
+++ b/pytorch3d/renderer/points/rasterize_points.py
@@ -11,6 +11,8 @@ from typing import List, Optional, Tuple, Union
 import numpy as np
 import torch
 from pytorch3d import _C
+
+# pyre-fixme[21]: Could not find module `pytorch3d.renderer.mesh.rasterize_meshes`.
 from pytorch3d.renderer.mesh.rasterize_meshes import pix_to_non_square_ndc
 
 from ..utils import parse_image_size
diff --git a/pytorch3d/renderer/points/rasterizer.py b/pytorch3d/renderer/points/rasterizer.py
index 8c141b90..8a20ed40 100644
--- a/pytorch3d/renderer/points/rasterizer.py
+++ b/pytorch3d/renderer/points/rasterizer.py
@@ -15,6 +15,7 @@ import torch.nn as nn
 from pytorch3d.renderer.cameras import try_get_projection_transform
 from pytorch3d.structures import Pointclouds
 
+# pyre-fixme[21]: Could not find module `pytorch3d.renderer.points.rasterize_points`.
 from .rasterize_points import rasterize_points
 
 
diff --git a/pytorch3d/structures/meshes.py b/pytorch3d/structures/meshes.py
index 53f3f454..7a10bf32 100644
--- a/pytorch3d/structures/meshes.py
+++ b/pytorch3d/structures/meshes.py
@@ -853,6 +853,7 @@ class Meshes:
             refresh: Set to True to force recomputation of face areas.
                      Default: False.
         """
+        # pyre-fixme[21]: Could not find module `pytorch3d.ops.mesh_face_areas_normals`.
         from ..ops.mesh_face_areas_normals import mesh_face_areas_normals
 
         if not (
diff --git a/pytorch3d/utils/__init__.py b/pytorch3d/utils/__init__.py
index b65c55ea..b9169bd7 100644
--- a/pytorch3d/utils/__init__.py
+++ b/pytorch3d/utils/__init__.py
@@ -12,8 +12,14 @@ from .camera_conversions import (
     pulsar_from_cameras_projection,
     pulsar_from_opencv_projection,
 )
+
+# pyre-fixme[21]: Could not find module `pytorch3d.utils.checkerboard`.
 from .checkerboard import checkerboard
+
+# pyre-fixme[21]: Could not find module `pytorch3d.utils.ico_sphere`.
 from .ico_sphere import ico_sphere
+
+# pyre-fixme[21]: Could not find module `pytorch3d.utils.torus`.
 from .torus import torus