app.py

import gradio as gr
from huggingface_hub import from_pretrained_keras
import numpy as np
import tensorflow as tf

def predict_emotion(face):
  new_face_arr = np.array(face)
  new_img = tf.expand_dims(new_face_arr,0)
  model = from_pretrained_keras("layai/emotion-detection-model")
  single_data = model.predict(new_img)
  single_data = single_data[0]
  return np.argmax(single_data)

input = gr.inputs.Image(shape=(48, 48))
output = gr.outputs.Textbox(label='Predicted Emotion')
iface = gr.Interface( fn=predict_emotion,
              inputs=input,
              outputs=output,
              capture_session=True)

iface.launch()