code: def __setitem__(self, key, value):
      if key in self._schema_attrs_.keys():
          if key.endswith("msg"):
              value = value.replace("ERROR MESSAGE:", "").strip()
          self._props[key] = value
  
file_path: h2o-3/h2o-py/h2o/schemas/error.py
imports: from h2o.utils.compatibility import *
  from .schema import H2OSchema
label_desc: Use image node_id 3 for calling the H2OErrorV3 obj's underlying member method code with example usage: obj.__setitem__(key, value) without return types