I am looking for a way to ungroup a group layer using arcpy... (instead of having to open the mxd and right-click on the layer to choose "Ungroup"...)
mxd = arcpy.mapping.MapDocument(pathToMyMxd)
df = mxd.activeDataFrame
newLayer = arcpy.mapping.Layer(pathToMyLayerFile)
arcpy.mapping.AddLayer(df, newLayer, "BOTTOM")
mxd.save()
layers = arcpy.mapping.ListLayers(df)
for layer in layers:
if layer.isGroupLayer:
# layer.ungroup()???