Replace model.pth with aug30 400k checkpoint (checkpoint_399999.pth)

model.pth

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:85f6fc46d8f8c8613ad5729e7a394537f5a39028bf45dc33fe5dd4f65a5e18d5
-size 546233101
+oid sha256:7684bcd2971fd1a742c35b5907cc65afea0e538d83131c8fd15ab357ed106c70
+size 546244109