def SetDisplayName(self, display_name):
    if not hasattr(self, '_plist'):
      raise PlistNotParsedError

    self._plist['display_name'] = display_name
    self._changed = True
Oracle refuses to change from some type to other type.
dataset/ETHPy150Open google/simian/src/simian/mac/munki/plist.py/MunkiPackageInfoPlist.SetDisplayName--crossover with--dataset/ETHPy150Open django/django/django/db/backends/oracle/schema.py/DatabaseSchemaEditor._alter_field_type_workaround