def get(self, section, option, default=NoDefault):
        """
        Get an option
        section=None: attribute a default section name
        default: default value (if not specified, an exception
        will be raised if option doesn't exist)
        """
        section = self._check_section_option(section, option)

        if not self.has_section(section):
            if default is NoDefault:
                raise cp.NoSectionError(section)
            else:
                self.add_section(section)
        
        if not self.has_option(section, option):
            if default is NoDefault:
                raise cp.NoOptionError(option, section)
            else:
                self.set(section, option, default)
                return default
            
        value = cp.ConfigParser.get(self, section, option, raw=self.raw)
        # Use type of default_value to parse value correctly
        default_value = self.get_default(section, option)
        if isinstance(default_value, bool):
            value = ast.literal_eval(value)
        elif isinstance(default_value, float):
            value = float(value)
        elif isinstance(default_value, int):
            value = int(value)
        elif is_text_string(default_value):
            if PY2:
                try:
                    value = value.decode('utf-8')
                    try:
                        # Some str config values expect to be eval after decoding
                        new_value = ast.literal_eval(value)
                        if is_text_string(new_value):
                            value = new_value
                    except (SyntaxError, ValueError):
                        pass
                except (UnicodeEncodeError, UnicodeDecodeError):
                    pass
        else:
            try:
                # lists, tuples, ...
                value = ast.literal_eval(value)
            except (SyntaxError, ValueError):
                pass
        return value
Get an option
        section=None: attribute a default section name
        default: default value (if not specified, an exception
        will be raised if option doesn't exist)