From 70313797dc1e14625c46ce354c2dc69a09c30573 Mon Sep 17 00:00:00 2001
From: Adam Morris <adam.morris@cern.ch>
Date: Wed, 28 Jun 2023 17:23:03 +0200
Subject: [PATCH] add import statement to example to satisfy doctest(?)

---
 src/decaylanguage/utils/utilities.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/decaylanguage/utils/utilities.py b/src/decaylanguage/utils/utilities.py
index 4227add2..fd52907b 100644
--- a/src/decaylanguage/utils/utilities.py
+++ b/src/decaylanguage/utils/utilities.py
@@ -68,6 +68,7 @@ class DescriptorFormat:
 
     Examples
     --------
+    >>> from decaylanguage import DecayMode, DecayChain
     >>> dm1 = DecayMode(0.6770, "D0 pi+")  # D*+
     >>> dm2 = DecayMode(0.0124, "K_S0 pi0")  # D0
     >>> dm3 = DecayMode(0.692, "pi+ pi-")  # K_S0