old_contents: # manage.py
  import os
  import subprocess
  
  from flask_migrate import Migrate, MigrateCommand
  from flask_script import Manager, Shell
  
  from app import create_app, db
  from app.models import Users, Agencies, Requests, Responses, Events, Reasons, Permissions, Roles
  
  app = create_app(os.getenv('FLASK_CONFIG') or 'default')
  manager = Manager(app)
  migrate = Migrate(app, db)
  
  
  def make_shell_context():
      return dict(
          app=app,
          db=db,
          Users=Users,
          Agencies=Agencies,
          Requests=Requests,
          Responses=Responses,
          Events=Events,
          Reasons=Reasons,
          Permissions=Permissions,
          Roles=Roles
      )
  
  manager.add_command("shell", Shell(make_context=make_shell_context))
  manager.add_command('db', MigrateCommand)
  
  @manager
  def celery():
      subprocess.call(['celery', 'worker',  '-A', 'celery_worker.celery', '--loglevel=info'])
  
  
  if __name__ == "__main__":
      manager.run()
  
new_contents: # manage.py
  import os
  import subprocess
  
  from flask_migrate import Migrate, MigrateCommand
  from flask_script import Manager, Shell, Command
  
  from app import create_app, db
  from app.models import Users, Agencies, Requests, Responses, Events, Reasons, Permissions, Roles
  
  app = create_app(os.getenv('FLASK_CONFIG') or 'default')
  manager = Manager(app)
  migrate = Migrate(app, db)
  
  
  class Celery(Command):
      """
      Runs Celery
      """
  
      def run(self):
          subprocess.call(['celery', 'worker', '-A', 'celery_worker.celery', '--loglevel=info'])
  
  
  def make_shell_context():
      return dict(
          app=app,
          db=db,
          Users=Users,
          Agencies=Agencies,
          Requests=Requests,
          Responses=Responses,
          Events=Events,
          Reasons=Reasons,
          Permissions=Permissions,
          Roles=Roles
      )
  
  manager.add_command("shell", Shell(make_context=make_shell_context))
  manager.add_command("db", MigrateCommand)
  manager.add_command("celery", Celery())
  
  
  if __name__ == "__main__":
      manager.run()
  
subject: Fix a problem with the celery cli commoand Allows runserver to be used separately from celery.