df.to_dict(orient="records")

[{'sku_id': 'HBCV00009LIR5S',
  'image_vector': array([ 0.1206549 ,  0.00597879, -0.07224327,  0.02327867, -0.09490156,
          0.02150885,  0.10642719, -0.10139938,  0.03159734,  0.05613545,
         -0.07615539, -0.15523671, -0.10006154,  0.05045145,  0.07733533,
         -0.03749327, -0.02301577,  0.13337888,  0.00096778,  0.05047926,
...