Skip test if networkx not installed

ricardoV94 · ricardoV94 · commit b23a9791b794 · 2025-07-06T14:12:50.000+02:00
diff --git a/tests/test_model_graph.py b/tests/test_model_graph.py
@@ -567,6 +567,7 @@ def test_unknown_node_type(simple_model):
 
 
 def test_custom_node_formatting_networkx(simple_model):
+    pytest.importorskip("networkx")
     node_formatters = {
         "Free Random Variable": lambda var: {
             "label": var.name,
