upgrade pyre version in `fbcode/vision` - batch 2

Differential Revision: D44182699

fbshipit-source-id: bdc5f495eaaee8ce461b91271d476d7b3ec3f8a2

pytorch3d/implicitron/tools/model_io.py

@@ -147,6 +147,7 @@ def find_last_checkpoint(
             # pyre-fixme[61]: `fls` is undefined, or not always defined.
             fl = [f[0 : -len(ext)] + ".pth" for f in fls]
         else:
+            # pyre-fixme[61]: `ext` is undefined, or not always defined.
             fl = fls[-1][0 : -len(ext)] + ".pth"
 
     return fl

pytorch3d/loss/mesh_laplacian_smoothing.py

@@ -124,6 +124,7 @@ def mesh_laplacian_smoothing(meshes, method: str = "uniform"):
     if method == "uniform":
         loss = L.mm(verts_packed)
     elif method == "cot":
+        # pyre-fixme[61]: `norm_w` is undefined, or not always defined.
         loss = L.mm(verts_packed) * norm_w - verts_packed
     elif method == "cotcurv":
         # pyre-fixme[61]: `norm_w` may not be initialized here.