update doc

kunwuz · kunwuz · commit 94363736df48 · 2022-04-29T21:52:37.000+08:00
diff --git a/docs/source/search_methods_index/Score-based causal discovery methods/GES.rst b/docs/source/search_methods_index/Score-based causal discovery methods/GES.rst
@@ -17,6 +17,7 @@ Usage
     Record = ges(X, score_func, maxP, parameters)
 
     # Visualization using pydot
+    from causallearn.utils.GraphUtils import GraphUtils
     pyd = GraphUtils.to_pydot(Record['G'])
     tmp_png = pyd.create_png(f="png")
     fp = io.BytesIO(tmp_png)
