From b81f23dfcac19f37a12f662798420b66789d4001 Mon Sep 17 00:00:00 2001
From: Konstantin Korotaev
 <42615530+KonstantinKorotaev@users.noreply.github.com>
Date: Tue, 14 Feb 2023 11:13:04 +0300
Subject: [PATCH] fix: Github-40: Fix ZeroDivisionError in extracting key
 frames

---
 label_studio_tools/postprocessing/video.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/label_studio_tools/postprocessing/video.py b/label_studio_tools/postprocessing/video.py
index 41fa387..d203c3b 100644
--- a/label_studio_tools/postprocessing/video.py
+++ b/label_studio_tools/postprocessing/video.py
@@ -65,7 +65,7 @@ def _construct_result_from_frames(
     start_i = 1 if exclude_first else 0
     for i in range(start_i, frame_count):
         frame_number = i + frame1['frame']
-        delta = i / (frame_count - 1)
+        delta = i / max(1, (frame_count - 1))
         deltas = {}
         for v in ["x", "y", "rotation", "width", "height", "time"]:
             deltas[v] = (