Exception message: Package SourcePackage(u'https://pypi.python.org/packages/c9/1d/bd19e691fd4cfe908c76c429fe6e4436c9e83583c4414b54f6c85471954a/wheel-0.29.0.tar.gz#md5=555a67e4507cedee23a0deb9651e452f') is not translateable by ChainedTranslator(EggTranslator, SourceTranslator)