from glob import glob
import numpy as np
import json
import datalad

files = glob('sub-*/func/*_bold.json')

for f in files:
    with open(f) as fh:
        sidecar = json.load(fh)
    sidecar["SliceTiming"] = (np.array(sidecar["SliceTiming"], dtype=float) * 1.e-3).tolist()
    datalad.utils.rotree(f, ro=False, chmod_files=True)
    with open(f, 'w') as fh:
        json.dump(sidecar, fh, indent=4)
    datalad.utils.rotree(f, ro=True, chmod_files=True)