code: def get_script(script_name):
      '''get_script will return a build script_name, if it is included 
      in singularity/build/scripts, otherwise will alert the user and return None
      :param script_name: the name of the script to look for
      '''
      install_dir = get_installdir()
      script_path = "%s/build/scripts/%s" %(install_dir,script_name)
      if os.path.exists(script_path):
          return script_path
      else:
          bot.error("Script %s is not included in singularity-python!" %script_path)
          return Nonf get_script(script_name):
      '''get_script will return a build script_name, if it is included 
      in singularity/build/scripts, otherwise will alert the user and return None
      :param script_name: the name of the script to look for
      '''
      install_dir = get_installdir()
      script_path = "%s/build/scripts/%s" %(install_dir,script_name)
      if os.path.exists(script_path):
          return script_path
      else:
          bot.error("Script %s is not included in singularity-python!" %script_path)
          return None
docs: get_script will return a build script_name, if it is included 
      in singularity/build/scripts, otherwise will alert the user and return None
      :param script_name: the name of the script to look for