From 3e9bd0f287ddd7290e18979ebf501d0aa9d782e8 Mon Sep 17 00:00:00 2001
From: Pierre Moulon <pierrem@meta.com>
Date: Thu, 18 Jul 2024 12:29:23 -0700
Subject: [PATCH] {BugFix} Better support TEST scene

Summary:
TEST scenes comes with empty GT files for Hands and Object poses
- This diff improve supports when UmeTrack has been choosen as default option to show for HANDS

- JSONDecode can't take empty file as input

Reviewed By: fanzhangmeta

Differential Revision: D59923487

fbshipit-source-id: e6c5737e1228692f26f60395dde3e242dcb371f5
---
 hot3d/data_loaders/UmeTrackHandDataProvider.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/hot3d/data_loaders/UmeTrackHandDataProvider.py b/hot3d/data_loaders/UmeTrackHandDataProvider.py
index 4613288..43df69e 100644
--- a/hot3d/data_loaders/UmeTrackHandDataProvider.py
+++ b/hot3d/data_loaders/UmeTrackHandDataProvider.py
@@ -72,7 +72,11 @@ def __init__(
         super()._init_hand_poses(hand_pose_trajectory_filepath)
 
         # Hand profile
-        self._hand_model = load_hand_model_from_file(hand_profile_filepath)
+        self._hand_model = (
+            None
+            if len(self._hand_poses) == 0
+            else load_hand_model_from_file(hand_profile_filepath)
+        )
 
     def get_hand_mesh_vertices(
         self, hand_wrist_data: HandPose