app.py

import os
import gradio as gr

os.system('wget -q https://storage.googleapis.com/vakyaansh-open-models/translation_models/en-indic.zip')
os.system('unzip /home/user/app/en-indic.zip')
os.system('pip uninstall -y numpy')
os.system('pip install numpy')

from fairseq import checkpoint_utils, distributed_utils, options, tasks, utils

from inference.engine import Model
indic2en_model = Model(expdir='en-indic')

def translate(text):
  return indic2en_model.translate_paragraph(text, 'en', 'hi')

iface = gr.Interface(fn=translate, inputs="text", outputs="text")
iface.launch()