old_contents: from flask import Flask, render_template
  from pokeapi import PokeAPI
  from random import randrange
  
  app = Flask(__name__)
  api = PokeAPI()
  
  @app.route('/')
  def index():
  
      pokemon = api.getPokemon(randrange(807))
      return render_template('index.html', pokemon=pokemon)
  """
  @app.route('/<pokemn>')
  def param(pokemn):
      pokemon=api.getPokemon(pokemn)
      return render_template('index.html', pokemn=pokemon)
  """
  
  if __name__ == "__main__":
      app.run(host="0.0.0.0")
  
new_contents: from flask import Flask, render_template
  from pokeapi import PokeAPI
  from random import randrange
  
  app = Flask(__name__)
  api = PokeAPI()
  
  @app.route('/')
  def index():
  
      pokemon = api.getPokemon(randrange(807))
      return render_template('index.html', pokemon=pokemon)
  """
  @app.route('/<pokemn>')
  def param(pokemn):
      pokemon=api.getPokemon(pokemn)
      return render_template('index.html', pokemon=pokemon)
  """
  
  if __name__ == "__main__":
      app.run(host="0.0.0.0")
  
subject: Update app.py