Gaussian: minor fix for Python3 (cclib/cclib#110)
Gaussian: minor fix for Python3 (cclib/cclib#110)

berquist/cclib,Clyde-fare/cclib,gaursagar/cclib,jchodera/cclib,andersx/cclib,andersx/cclib,ben-albrecht/cclib,ben-albrecht/cclib,langner/cclib,gaursagar/cclib,cclib/cclib,ghutchis/cclib,langner/cclib,cclib/cclib,Schamnad/cclib,berquist/cclib,langner/cclib,ATenderholt/cclib,jchodera/cclib,cclib/cclib,ghutchis/cclib,Clyde-fare/cclib,berquist/cclib,Schamnad/cclib,ATenderholt/cclib