setWeights(weightsArr) {
    this._depthwiseConv = new _DepthwiseConv2D(this.depthwiseConvAttrs)
    this._depthwiseConv.setWeights(weightsArr.slice(0, 1))
    this._pointwiseConv = new Conv2D(this.pointwiseConvAttrs)
    this._pointwiseConv.setWeights(weightsArr.slice(1, 3))
  }
Method for setting layer weights. Override `super` method since weights must be set in component Conv2D layers.

@param {Tensor[]} weightsArr - array of weights which are instances of Tensor