Fix python 3 upgrade issue
Fix python 3 upgrade issue

stvstnfrd/configuration,mitodl/configuration,arbrandes/edx-configuration,EDUlib/configuration,stvstnfrd/configuration,edx/configuration,appsembler/configuration,mitodl/configuration,EDUlib/configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,edx/configuration,mitodl/configuration,appsembler/configuration,edx/configuration,mitodl/configuration,EDUlib/configuration,stvstnfrd/configuration,stvstnfrd/configuration,arbrandes/edx-configuration,stvstnfrd/configuration,edx/configuration,appsembler/configuration,appsembler/configuration,EDUlib/configuration,EDUlib/configuration