update znflow (#540)

pyproject.toml

@@ -18,7 +18,7 @@ typer = "^0.7.0"
 
 dot4dict = "^0.1.1"
 zninit = "^0.1.9"
-znflow = "^0.1.4"
+znflow = "^0.1.5"
 znjson = "^0.2.2"
 
 

tests/integration/test_misc.py

@@ -0,0 +1,25 @@
+import zntrack
+import znflow
+
+
+class NodeWithProperty(zntrack.Node):
+    params = zntrack.zn.params(None)
+
+    @property
+    def calc(self):
+        """This should not change the params if not called."""
+        self.params = 42
+        return "calc"
+
+    def run(self):
+        pass
+
+
+def test_NodeWithProperty(proj_path):
+    with zntrack.Project() as proj:
+        node = NodeWithProperty()
+
+    proj.run()
+
+    node.load()
+    assert node.params is None