code: def unload_module(self, module_name):
          
          module = self.loaded_modules.get(module_name)
          if not module:
              _log.warning("Ignoring request to unload non-existant module '%s'",
                           module_name)
              return False
  
          module.stop(reloading=False)
          del self.loaded_modules[module_name]
          self.module_ordering.remove(module_name)
          return True
docs: Unload the specified module, if it is loaded.