hmm I get> sh: dot: command not found Graph saved to: RubygemsAnalyzer.png And then a confirmation box that says: "RubygemsAnalyzer.png Couldn't open th

hmm I get> sh: dot: command not found Graph saved to: RubygemsAnalyzer.png And then a confirmation box that says: "RubygemsAnalyzer.png Couldn't open the file...."