From ee3d1475a8022adda3d7b5f03f69e83edd45a9d1 Mon Sep 17 00:00:00 2001
From: Alex Lubbock <code@alexlubbock.com>
Date: Tue, 28 Mar 2023 22:08:06 +0100
Subject: [PATCH] Fix numpy v1.24 compatibility

Numpy v1.24 deprecated ragged arrays unless dtype=object
is passed (numpy/numpy#22004). The SimulationResult class
needs to support different length entries in tout in the
case that these differ across simulations. PySB shouldn't
convert these to a numpy array, instead preferring to
keep them as a list/iterable.
---
 pysb/simulator/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pysb/simulator/base.py b/pysb/simulator/base.py
index 4b22ac95..7d3f5284 100644
--- a/pysb/simulator/base.py
+++ b/pysb/simulator/base.py
@@ -748,7 +748,7 @@ def __init__(self, simulator, tout, trajectories=None,
             self.run_kwargs = {}
 
         self.squeeze = squeeze
-        self.tout = np.asarray(tout)
+        self.tout = tout
         self._yfull = None
         self.n_sims_per_parameter_set = simulations_per_param_set
         self.pysb_version = PYSB_VERSION