The GML format does not work on the newest networkx. We need to reformat the GML file, or just copy paste this to the GML file
Creator "Mark Newman on Wed Jul 26 15:04:20 2006" graph [ directed 0 node [ id 0 label "Beak" ] node [ id 1 label "Beescratch" ] node [ id 2 label "Bumper" ] node [ id 3 label "CCL" ] node [ id 4 label "Cross" ] node [ id 5 label "DN16" ] node [ id 6 label "DN21" ] node [ id 7 label "DN63" ] node [ id 8 label "Double" ] node [ id 9 label "Feather" ] node [ id 10 label "Fish" ] node [ id 11 label "Five" ] node [ id 12 label "Fork" ] node [ id 13 label "Gallatin" ] node [ id 14 label "Grin" ] node [ id 15 label "Haecksel" ] node [ id 16 label "Hook" ] node [ id 17 label "Jet" ] node [ id 18 label "Jonah" ] node [ id 19 label "Knit" ] node [ id 20 label "Kringel" ] node [ id 21 label "MN105" ] node [ id 22 label "MN23" ] node [ id 23 label "MN60" ] node [ id 24 label "MN83" ] node [ id 25 label "Mus" ] node [ id 26 label "Notch" ] node [ id 27 label "Number1" ] node [ id 28 label "Oscar" ] node [ id 29 label "Patchback" ] node [ id 30 label "PL" ] node [ id 31 label "Quasi" ] node [ id 32 label "Ripplefluke" ] node [ id 33 label "Scabs" ] node [ id 34 label "Shmuddel" ] node [ id 35 label "SMN5" ] node [ id 36 label "SN100" ] node [ id 37 label "SN4" ] node [ id 38 label "SN63" ] node [ id 39 label "SN89" ] node [ id 40 label "SN9" ] node [ id 41 label "SN90" ] node [ id 42 label "SN96" ] node [ id 43 label "Stripes" ] node [ id 44 label "Thumper" ] node [ id 45 label "Topless" ] node [ id 46 label "TR120" ] node [ id 47 label "TR77" ] node [ id 48 label "TR82" ] node [ id 49 label "TR88" ] node [ id 50 label "TR99" ] node [ id 51 label "Trigger" ] node [ id 52 label "TSN103" ] node [ id 53 label "TSN83" ] node [ id 54 label "Upbang" ] node [ id 55 label "Vau" ] node [ id 56 label "Wave" ] node [ id 57 label "Web" ] node [ id 58 label "Whitetip" ] node [ id 59 label "Zap" ] node [ id 60 label "Zig" ] node [ id 61 label "Zipfel" ] edge [ source 8 target 3 ] edge [ source 9 target 5 ] edge [ source 9 target 6 ] edge [ source 10 target 0 ] edge [ source 10 target 2 ] edge [ source 13 target 5 ] edge [ source 13 target 6 ] edge [ source 13 target 9 ] edge [ source 14 target 0 ] edge [ source 14 target 3 ] edge [ source 15 target 0 ] edge [ source 16 target 14 ] edge [ source 17 target 1 ] edge [ source 17 target 6 ] edge [ source 17 target 9 ] edge [ source 17 target 13 ] edge [ source 18 target 15 ] edge [ source 19 target 1 ] edge [ source 19 target 7 ] edge [ source 20 target 8 ] edge [ source 20 target 16 ] edge [ source 20 target 18 ] edge [ source 21 target 18 ] edge [ source 22 target 17 ] edge [ source 24 target 14 ] edge [ source 24 target 15 ] edge [ source 24 target 18 ] edge [ source 25 target 17 ] edge [ source 26 target 1 ] edge [ source 26 target 25 ] edge [ source 27 target 1 ] edge [ source 27 target 7 ] edge [ source 27 target 17 ] edge [ source 27 target 25 ] edge [ source 27 target 26 ] edge [ source 28 target 1 ] edge [ source 28 target 8 ] edge [ source 28 target 20 ] edge [ source 29 target 10 ] edge [ source 29 target 18 ] edge [ source 29 target 21 ] edge [ source 29 target 24 ] edge [ source 30 target 7 ] edge [ source 30 target 19 ] edge [ source 30 target 28 ] edge [ source 31 target 17 ] edge [ source 32 target 9 ] edge [ source 32 target 13 ] edge [ source 33 target 12 ] edge [ source 33 target 14 ] edge [ source 33 target 16 ] edge [ source 33 target 21 ] edge [ source 34 target 14 ] edge [ source 34 target 33 ] edge [ source 35 target 29 ] edge [ source 36 target 1 ] edge [ source 36 target 20 ] edge [ source 36 target 23 ] edge [ source 37 target 8 ] edge [ source 37 target 14 ] edge [ source 37 target 16 ] edge [ source 37 target 21 ] edge [ source 37 target 33 ] edge [ source 37 target 34 ] edge [ source 37 target 36 ] edge [ source 38 target 14 ] edge [ source 38 target 16 ] edge [ source 38 target 20 ] edge [ source 38 target 33 ] edge [ source 39 target 36 ] edge [ source 40 target 0 ] edge [ source 40 target 7 ] edge [ source 40 target 14 ] edge [ source 40 target 15 ] edge [ source 40 target 33 ] edge [ source 40 target 36 ] edge [ source 40 target 37 ] edge [ source 41 target 1 ] edge [ source 41 target 9 ] edge [ source 41 target 13 ] edge [ source 42 target 0 ] edge [ source 42 target 2 ] edge [ source 42 target 10 ] edge [ source 42 target 30 ] edge [ source 43 target 14 ] edge [ source 43 target 29 ] edge [ source 43 target 33 ] edge [ source 43 target 37 ] edge [ source 43 target 38 ] edge [ source 44 target 2 ] edge [ source 44 target 20 ] edge [ source 44 target 34 ] edge [ source 44 target 38 ] edge [ source 45 target 8 ] edge [ source 45 target 15 ] edge [ source 45 target 18 ] edge [ source 45 target 21 ] edge [ source 45 target 23 ] edge [ source 45 target 24 ] edge [ source 45 target 29 ] edge [ source 45 target 37 ] edge [ source 46 target 43 ] edge [ source 47 target 0 ] edge [ source 47 target 10 ] edge [ source 47 target 20 ] edge [ source 47 target 28 ] edge [ source 47 target 30 ] edge [ source 47 target 42 ] edge [ source 49 target 34 ] edge [ source 49 target 46 ] edge [ source 50 target 14 ] edge [ source 50 target 16 ] edge [ source 50 target 20 ] edge [ source 50 target 33 ] edge [ source 50 target 42 ] edge [ source 50 target 45 ] edge [ source 51 target 4 ] edge [ source 51 target 11 ] edge [ source 51 target 18 ] edge [ source 51 target 21 ] edge [ source 51 target 23 ] edge [ source 51 target 24 ] edge [ source 51 target 29 ] edge [ source 51 target 45 ] edge [ source 51 target 50 ] edge [ source 52 target 14 ] edge [ source 52 target 29 ] edge [ source 52 target 38 ] edge [ source 52 target 40 ] edge [ source 53 target 43 ] edge [ source 54 target 1 ] edge [ source 54 target 6 ] edge [ source 54 target 7 ] edge [ source 54 target 13 ] edge [ source 54 target 19 ] edge [ source 54 target 41 ] edge [ source 55 target 15 ] edge [ source 55 target 51 ] edge [ source 56 target 5 ] edge [ source 56 target 6 ] edge [ source 57 target 5 ] edge [ source 57 target 6 ] edge [ source 57 target 9 ] edge [ source 57 target 13 ] edge [ source 57 target 17 ] edge [ source 57 target 39 ] edge [ source 57 target 41 ] edge [ source 57 target 48 ] edge [ source 57 target 54 ] edge [ source 58 target 38 ] edge [ source 59 target 3 ] edge [ source 59 target 8 ] edge [ source 59 target 15 ] edge [ source 59 target 36 ] edge [ source 59 target 45 ] edge [ source 60 target 32 ] edge [ source 61 target 2 ] edge [ source 61 target 37 ] edge [ source 61 target 53 ] ]