From 4e3cfbf5ed0e30daf30dd39d88c0b21769b76278 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Thu, 25 Feb 2021 14:40:55 +0100
Subject: pelt_refine: Fix "no sub-states" handling

---
 lib/model.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/model.py b/lib/model.py
index 07e56f1..99626bb 100644
--- a/lib/model.py
+++ b/lib/model.py
@@ -1088,7 +1088,7 @@ class PTAModel(AnalyticModel):
                     "power_std": self.by_param[by_param_key]["power_std"],
                 }
             ]
-            return (substate_counts, substate_data)
+            return 1, (substate_counts, substate_data)
 
         num_changepoints = np.argmax(np.bincount(num_changepoints_by_trace))
 
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