diff --git a/testsuite/pytests/sli2py_regressions/test_issue_737.py b/testsuite/pytests/sli2py_regressions/test_issue_737.py
new file mode 100644
index 0000000000..b23cd2edf8
--- /dev/null
+++ b/testsuite/pytests/sli2py_regressions/test_issue_737.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+#
+# test_issue_737.py
+#
+# This file is part of NEST.
+#
+# Copyright (C) 2004 The NEST Initiative
+#
+# NEST is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# NEST is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with NEST.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Regression test for Issue #737 (GitHub).
+
+This test ensures that NEST raises an error if the user tries to set synapse
+parameters that cannot be set with Connect calls.
+"""
+
+import nest
+import pytest
+
+
+def test_static_synapse_hom_w_weight():
+    """
+    Test that setting weight in syn_spec for static_synapse_hom_w model raises an error.
+    """
+    nest.ResetKernel()
+    n = nest.Create("iaf_psc_alpha")
+
+    with pytest.raises(Exception):
+        nest.Connect(
+            n, n, conn_spec={"rule": "one_to_one"}, syn_spec={"synapse_model": "static_synapse_hom_w", "weight": 2.0}
+        )
+
+
+def test_copymodel_static_synapse_hom_w_weight():
+    """
+    Test that setting weight in syn_spec for CopyModel of static_synapse_hom_w model raises an error.
+    """
+    nest.ResetKernel()
+    n = nest.Create("iaf_psc_alpha")
+    nest.CopyModel("static_synapse_hom_w", "mysyn")
+
+    with pytest.raises(Exception):
+        nest.Connect(n, n, conn_spec={"rule": "one_to_one"}, syn_spec={"synapse_model": "mysyn", "weight": 2.0})
+
+
+def test_stdp_dopamine_synapse_vt():
+    """
+    Test that setting vt in syn_spec for stdp_dopamine_synapse model raises an error.
+    """
+    nest.ResetKernel()
+    n = nest.Create("iaf_psc_alpha")
+
+    with pytest.raises(Exception):
+        nest.Connect(
+            n, n, conn_spec={"rule": "one_to_one"}, syn_spec={"synapse_model": "stdp_dopamine_synapse", "vt": 2.0}
+        )
+
+
+def test_copymodel_stdp_dopamine_synapse_vt():
+    """
+    Test that setting vt in syn_spec for CopyModel of stdp_dopamine_synapse model raises an error.
+    """
+    nest.ResetKernel()
+    n = nest.Create("iaf_psc_alpha")
+    nest.CopyModel("stdp_dopamine_synapse", "mysyn")
+
+    with pytest.raises(Exception):
+        nest.Connect(n, n, conn_spec={"rule": "one_to_one"}, syn_spec={"synapse_model": "mysyn", "vt": 2.0})
diff --git a/testsuite/regressiontests/issue-737.sli b/testsuite/regressiontests/issue-737.sli
deleted file mode 100644
index 76e91d2a15..0000000000
--- a/testsuite/regressiontests/issue-737.sli
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- *  issue-737.sli
- *
- *  This file is part of NEST.
- *
- *  Copyright (C) 2004 The NEST Initiative
- *
- *  NEST is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  NEST is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with NEST.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-
- /** @BeginDocumentation
-Name: testsuite::issue-737
-
-Synopsis: (issue-737) run -> NEST exits if test fails
-
-Description:
-This test ensures that NEST raises an error if the user tries to
-set synapse parameters that cannot be set with Connect calls.
-
-Author: Stine B. Vennemo
-FirstVersion: May 2017
-SeeAlso: testsuite::issue-735
-*/
-
-(unittest) run
-/unittest using
-
-M_ERROR setverbosity
-
-% Test weight in syn_spec for static_synapse_hom_w model
-{
-  ResetKernel
-
-  /n /iaf_psc_alpha Create def
-  n n << /rule /one_to_one >> << /synapse_model /static_synapse_hom_w /weight 2.0 >> Connect
-
-} fail_or_die
-
-% Test weight in syn_spec for CopyModel of static_synapse_hom_w model
-{
-  ResetKernel
-
-  /n /iaf_psc_alpha Create def
-  /static_synapse_hom_w /mysyn CopyModel
-  n n << /rule /one_to_one >> << /synapse_model /mysyn /weight 2.0 >> Connect
-
-} fail_or_die
-
-% Test vt in syn_spec for stdp_dopamine_synapse model
-{
-  ResetKernel
-
-  /n /iaf_psc_alpha Create def
-  n n << /rule /one_to_one >> << /synapse_model /stdp_dopamine_synapse /vt 2.0 >> Connect
-
-} fail_or_die
-
-% Test vt in syn_spec for CopyModel of stdp_dopamine_synapse model
-{
-  ResetKernel
-
-  /n /iaf_psc_alpha Create def
-  /stdp_dopamine_synapse /mysyn CopyModel
-  n n << /rule /one_to_one >> << /synapse_model /mysyn /vt 2.0 >> Connect
-
-} fail_or_die
-
-endusing