Traceback (most recent call last):

 "/usr/share/w3af/w3af/core/ui/gui/confpanel.py", line 261, in _revertPanel
widg.revert_value()

 "/usr/share/w3af/w3af/core/ui/gui/entries.py", line 176, in revert_value
self.setfunct(self.initvalue)

 "/usr/share/w3af/w3af/core/ui/gui/entries.py", line 270, in set_value
index = self._opt.get_value().index(t)ValueError: substring not found
Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/usr/local/lib/python3.7/site-packages/pandas/io/parsers.py", line 676, in parser_f

return _read(filepath_or_buffer, kwds)


 "/usr/local/lib/python3.7/site-packages/pandas/io/parsers.py", line 454, in _read

data = parser.read(nrows)


 "/usr/local/lib/python3.7/site-packages/pandas/io/parsers.py", line 1133, in read

ret = self._engine.read(nrows)


 "/usr/local/lib/python3.7/site-packages/pandas/io/parsers.py", line 2037, in read

data = self._reader.read(nrows)


 "pandas/_libs/parsers.pyx", line 859, in pandas._libs.parsers.TextReader.read


 "pandas/_libs/parsers.pyx", line 874, in pandas._libs.parsers.TextReader._read_low_memory


 "pandas/_libs/parsers.pyx", line 951, in pandas._libs.parsers.TextReader._read_rows


 "pandas/_libs/parsers.pyx", line 1083, in pandas._libs.parsers.TextReader._convert_column_data


 "pandas/_libs/parsers.pyx", line 1114, in pandas._libs.parsers.TextReader._convert_tokens


 "pandas/_libs/parsers.pyx", line 1194, in pandas._libs.parsers.TextReader._convert_with_dtype
NotImplementedError: Extension Array: <class 'pandas.core.arrays.boolean.BooleanArray'> must implement _from_sequence_of_strings in order to be used in parser methods
