Maybe there are no edges.

lynxkite-graph-analytics/src/lynxkite_graph_analytics/lynxkite_ops.py

@@ -87,17 +87,22 @@ class Bundle:
             if df.index.name != "id":
                 df = df.set_index("id")
             graph.add_nodes_from(df.to_dict("index").items())
-        edges = self.dfs["edges"]
-        graph.add_edges_from(
-            [
-                (
-                    e["source"],
-                    e["target"],
-                    {k: e[k] for k in edges.columns if k not in ["source", "target"]},
-                )
-                for e in edges.to_records()
-            ]
-        )
+        if "edges" in self.dfs:
+            edges = self.dfs["edges"]
+            graph.add_edges_from(
+                [
+                    (
+                        e["source"],
+                        e["target"],
+                        {
+                            k: e[k]
+                            for k in edges.columns
+                            if k not in ["source", "target"]
+                        },
+                    )
+                    for e in edges.to_records()
+                ]
+            )
         return graph
 
     def copy(self):