Small change to address the issue when your list of edges has only 1 … #24
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…entry
I just ran into an issue where the fortify was failing when the edge list of one row. I'm not sure this is the best way to handle the issue but I wanted to provide a possible solution. the issue is that
edges[, 1:2]
will return a vector instead of a data frame which will causenrow
to throw an error.