code: def __set__(self, obj, value):
      _cache = getattr(obj, self.cachename)
      name = self.name
      _cache[name] = value
  
imports: from statsmodels.tools.sm_exceptions import CacheWriteWarning
  from statsmodels.compat.pandas import cache_readonly
  import warnings
label_desc: Use image node_id 1 for calling the CachedWritableAttribute obj's underlying member method code with example usage: obj.__set__(obj, value) without return types