def save_analysis(self, filepath=None, **kwargs):
<EOL>dict_obj = deepcopy(self.analysis_output)<EOL>if filepath is None:<EOL><INDENT>filepath = "<STR_LIT:_>".join(<EOL>(str(self.system_id), "<STR_LIT>")<EOL>)<EOL>filepath = '<STR_LIT:/>'.join((os.getcwd(), filepath))<EOL><DEDENT>Output().dump2json(dict_obj, filepath, default=to_list, **kwargs)<EOL>return<EOL>
Dump the content of :attr:`analysis_output` as JSON dictionary.

Parameters
----------
filepath : :class:`str`
    The filepath for the JSON file.

Returns
-------
None : :class:`NoneType`