def asciikeys(adict):
    return dict((k.encode('ascii'), v) for k, v in adict.items())
Create an annotation and put in the specified JSON string.
dataset/ETHPy150Open xraypy/xraylarch/plugins/io/fileutils.py/asciikeys--crossover with--dataset/ETHPy150Open neurodata/ndstore/ocpca/jsonann.py/JSONAnnotation.__init__