docs: def encode_ndarray(obj):
      """Write a numpy array and its shape to base64 buffers"""
      shape = obj.shape
      if len(shape) == 1:
          shape = (1, obj.shape[0])
      if obj.flags.c_contiguous:
          obj = obj.T
      elif not obj.flags.f_contiguous:
          obj = asfortranarray(obj.T)
      else:
          obj = obj.T
      try:
          data = obj.astype(float64).tobytes()
      except AttributeError:
          data = obj.astype(float64).tostring()
  
      data = base64.b64encode(data).decode('utf-8')
      return data, shape