code: def xreload(mod):
      
      r = Reload(mod)
      r.apply()
      found_change = r.found_change
      r = None
      pydevd_dont_trace.clear_trace_filter_cache()
      return found_change
docs: Reload a module in place, updating classes, methods and functions.
  
      mod: a module object
  
      Returns a boolean indicating whether a change was done.