BUG: Don't assume "edges" key is present Graphviz JSON output.

AlgebraicJulia · Oct 20, 2022 · 1125398 · 1125398
1 parent 48f0baf
commit 1125398
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/graphics/GraphvizGraphs.jl b/src/graphics/GraphvizGraphs.jl
@@ -47,7 +47,7 @@ function parse_graphviz(doc::AbstractDict)::AbstractPropertyGraph
   # Add edge for each Graphviz edge.
   edge_keys = ("id", "comment", "label", "xlabel", "headlabel", "taillabel",
                "headport", "tailport")
-  for edge in doc["edges"]
+  for edge in get(doc, "edges", ())
     if get(edge, "style", nothing) == "invis"
       # Omit invisible edges, which are used to tweak the layout in Graphviz.
       continue