rjson = robjects.r(
    ' toJSON( list(foo="barbat", fizz=123, lst=list(33,"bb")) )  ')
pyobj = json.loads(rjson[0])
pyobj
pyobj['lst']
pyobj['lst'][0]
pyobj['lst'][1]
rjson = robjects.r(
    ' toJSON( list(foo="barbat", fizz=123, lst=list( key1=33,key2="bb")) )  ')
pyobj = json.loads(rjson[0])
pyobj
Преобразование RPy2 ListVector в словарь Python