Merge pull request #21 from JuliaGraphs/nickeubank-patch-1

fix compat for graphs

Author: nickeubank

Project.toml

@@ -9,7 +9,7 @@ MetaGraphs = "626554b9-1ddb-594c-aa3c-2596fe9399a5"
 
 [compat]
 DataFrames = "1"
-LightGraphs = "1"
+Graphs = "1"
 MetaGraphs = "0.7"
 julia = "1.6"