From a74c03fcf370859224dcb71068ffa1b9ceec7181 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Capretto?= <tomicapretto@gmail.com>
Date: Sat, 27 Apr 2024 22:10:09 -0300
Subject: [PATCH] Convert random variables to value variables (#7284)

---
 pymc/sampling/mcmc.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pymc/sampling/mcmc.py b/pymc/sampling/mcmc.py
index 96190e5ff0..7cbd2da98a 100644
--- a/pymc/sampling/mcmc.py
+++ b/pymc/sampling/mcmc.py
@@ -742,6 +742,7 @@ def sample(
 
     if var_names is not None:
         trace_vars = [v for v in model.unobserved_RVs if v.name in var_names]
+        trace_vars = model.replace_rvs_by_values(trace_vars)
         assert len(trace_vars) == len(var_names), "Not all var_names were found in the model"
     else:
         trace_vars = None