From 1de567081edaad7d49ed32b09bc516f7255aab98 Mon Sep 17 00:00:00 2001
From: SnuffSocket <82658601+SnuffSocket@users.noreply.github.com>
Date: Mon, 14 Apr 2025 03:26:57 +0300
Subject: [PATCH] Fix: "One euro filter return none" by Fracas42: 
 https://github.com/EyeTrackVR/EyeTrackVR/commit/5797fb342f8bdb33baece547f48f91e154092899

---
 BabbleApp/one_euro_filter.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/BabbleApp/one_euro_filter.py b/BabbleApp/one_euro_filter.py
index 30fa923..2c2421d 100644
--- a/BabbleApp/one_euro_filter.py
+++ b/BabbleApp/one_euro_filter.py
@@ -50,3 +50,6 @@ def __call__(self, x):
             self.t_prev = t
 
             return x_hat
+        else:
+            self.x_prev = x
+            return x