Only use os.path.join for local files
Only use os.path.join for local files

okfn/datapackage-py,datapackages/datapackage-py,okfn/datapackage-model-py,datapackages/datapackage-py,sirex/datapackage-py,sirex/datapackage-py,okfn/datapackage-model-py,okfn/datapackage-py