From a50b9d83aaf5cbe9968497c0f7acbabe4e9fec92 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Wed, 27 Mar 2024 11:06:34 +0100
Subject: [PATCH] interval: Fix creating LerpFunctionInterval from partial

Fixes #1623
---
 direct/src/interval/LerpInterval.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/direct/src/interval/LerpInterval.py b/direct/src/interval/LerpInterval.py
index 24435ae084..b65b3750ca 100644
--- a/direct/src/interval/LerpInterval.py
+++ b/direct/src/interval/LerpInterval.py
@@ -821,9 +821,13 @@ class LerpFunctionInterval(Interval.Interval):
         self.blendType = LerpBlendHelpers.getBlend(blendType)
         self.extraArgs = extraArgs
         # Generate unique name if necessary
-        if (name == None):
+        if name is None:
+            if hasattr(function, '__name__'):
+                name = function.__name__
+            else:
+                name = '<' + function.__class__.__name__ + '>'
             name = ('LerpFunctionInterval-%s-%d' %
-                    (function.__name__,
+                    (name,
                      LerpFunctionInterval.lerpFunctionIntervalNum))
             LerpFunctionInterval.lerpFunctionIntervalNum += 1
         else: