Add checklist item

tests/python/release_checklist/check_graph_view.py

@@ -15,13 +15,18 @@
 * `graph` has directed edges, while `graph2` has undirected edges.
 * `graph` and `graph2` are shown in two different viewers.
 * There is a third viewer, `Both`, that shows both `graph` and `graph2` in the same viewer.
+* The `coincident` viewer shows two nodes, `A` and `B`, at the same position
 """
 
 
 def log_readme() -> None:
     rr.log("readme", rr.TextDocument(README, media_type=rr.MediaType.MARKDOWN), static=True)
 
 
+def log_coincident_nodes() -> None:
+    rr.log("coincident", rr.GraphNodes(["A", "B"], labels=["A", "B"], positions=[[-150, 0], [150, 0]]))
+
+
 def log_graphs() -> None:
     DATA = [
         ("A", None),
@@ -51,13 +56,19 @@ def run(args: Namespace) -> None:
 
     log_readme()
     log_graphs()
+    log_coincident_nodes()
 
     rr.send_blueprint(
         rrb.Blueprint(
             rrb.Grid(
                 rrb.GraphView(origin="graph", name="Graph 1"),
                 rrb.GraphView(origin="graph2", name="Graph 2"),
                 rrb.GraphView(name="Both", contents=["/graph", "/graph2"]),
+                rrb.GraphView(
+                    origin="coincident",
+                    name="Coincident nodes",
+                    overrides={"coincident": [rr.components.Position2D([0, 0])]},
+                ),
                 rrb.TextDocumentView(origin="readme", name="Instructions"),
             )
         )