From 686fb9cbebd18667fd7506284d14e7667e9f5702 Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Thu, 18 Jul 2024 15:55:55 +0100
Subject: [PATCH] catch error

---
 src/textual/color.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/textual/color.py b/src/textual/color.py
index bd77654533..69e0eecb8d 100644
--- a/src/textual/color.py
+++ b/src/textual/color.py
@@ -600,8 +600,10 @@ def from_colors(cls, *colors: Color | str, quality: int = 50) -> Gradient:
             quality: The number of steps in the gradient.
 
         Returns:
-            _type_: _description_
+            A new Gradient instance.
         """
+        if len(colors) < 2:
+            raise ValueError("Two or more colors required.")
         stops = [(i / (len(colors) - 1), Color.parse(c)) for i, c in enumerate(colors)]
         return cls(*stops, quality=quality)