GuineaPig assumes there's only one file needed to uploaded into hdfs in addition to itself, which could cause errors.

[normanyahq]

https://github.com/TeamCohen/GuineaPig/blob/master/guineapig.py#L1360

        self._shippedFiles = []
        self._gpigSourceFile = sys.argv[0]
        self.ship(GPig.MY_LOC)
        self.ship(self._gpigSourceFile)

When I was writing homework2 in GuineaPig, I wrote a separate file in addition to nb.py and import it in the nb.py. However, that file was not uploaded to the server, causing the map-reduce task failure, which was really hard to debug.

A fix would be upload *.py from the directory of sys.argv[0]

BTW, the GPig version on autolab is not 1.3.5, which doesn't contain combiner.