Converting onnx model to hax.

Hello.
I try to convert Whisper onnx model to hax format (target format is hef).
I use command from hailomz:
hailomz optimize --ckpt en.onnx --yaml onnx.yaml --hw-arch "hailo8l"
My yaml file:

---
name: "whisper_model"
network:
  network_name: "whisper"
  input_layers:
    - "mel"
  output_layers:
    - "n_layer_cross_k"
    - "n_layer_cross_v"
inputs:
  - name: "mel"
    shape: ["n_audio", 80, "T"]
    data_type: "float32"
outputs:
  - name: "n_layer_cross_k"
    shape: [12, "n_audio", "T", 768]
    data_type: "float32"
  - name: "n_layer_cross_v"
    shape: [12, "n_audio", "T", 768]
    data_type: "float32"
model:
  framework: "onnx"
  opset_version: 12
  path: "model.onnx"
  format: "onnx"
quantization:
  mode: "symmetric"
  target: "performance"
  calib_set:
    path: "./calib_data"
    type: "folder"
parser:
  type: "onnx"
  start_node_shapes:
    tensor_shape:
      mel: [1, 80, 3000]
  end_node_shapes:
    tensor_shapes:
      n_layer_cross_k: [12, 1, 3000, 768]
      n_layer_cross_v: [12, 1, 3000, 768]
  nodes:
    - name: "mel"
      inputs: ["mel"]
      outputs: ["onnx::Conv_2370"]
    - name: "n_layer_cross_k"
      inputs: ["onnx::Conv_2370"]
      outputs: ["n_layer_cross_k"]
    - name: "n_layer_cross_v"
      inputs: ["onnx::Conv_2371"]
      outputs: ["n_layer_cross_v"]

I read inputs and outputs from onnx model:

Inputs:
Name: mel, Type: tensor_type {
  elem_type: 1
  shape {
    dim {
      dim_param: "n_audio"
    }
    dim {
      dim_value: 80
    }
    dim {
      dim_param: "T"
    }
  }
}
, Shape: [0, 80, 0]

Outputs:
Name: n_layer_cross_k, Type: tensor_type {
  elem_type: 1
  shape {
    dim {
      dim_value: 12
    }
    dim {
      dim_param: "n_audio"
    }
    dim {
      dim_param: "T"
    }
    dim {
      dim_value: 768
    }
  }
}
, Shape: [12, 0, 0, 768]
Name: n_layer_cross_v, Type: tensor_type {
  elem_type: 1
  shape {
    dim {
      dim_value: 12
    }
    dim {
      dim_param: "n_audio"
    }
    dim {
      dim_param: "T"
    }
    dim {
      dim_value: 768
    }
  }
}
, Shape: [12, 0, 0, 768]

What is wrong with yaml file?
I get error:
raise Exception(f"Encountered error during parsing: {err}") from None Exception: Encountered error during parsing: net_input_shapes must be a dictionary for multiple input networks