code: def upload():
      return render_template("upload.html")
  
file_path: aequitas/src/aequitas_webapp/views.py
imports: import itertools
  import os.path
  import tempfile
  import pandas
  from aequitas.fairness import Fairness
  from aequitas.preprocessing import preprocess_input_df
  from aequitas_cli.aequitas_audit import audit
  from aequitas_cli.utils.configs_loader import Configs
  from flask import abort, Markup, request, redirect, url_for, flash, render_template
  from werkzeug.utils import secure_filename
  from .None import app
label_desc: Use image node_id 3 for calling a global function with example usage: upload() and returns: render_template