Traceback (most recent call last):


 "testBar.py", line 13, in <module>

print(width[0])


 "/Users/jklymak/pint/pint/quantity.py", line 1404, in __getitem__

"supports indexing".format(self._magnitude))
TypeError: Neither Quantity object nor its magnitude (0.25)supports indexing

Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/visidata/vdtui.py", line 643, in toplevelTryFunc

ret = func(*args, **kwargs)


 "/usr/local/lib/python3.7/site-packages/visidata/loaders/json.py", line 100, in save_jsonl

fp.write(jsonenc.encode(rowdict) + '\n')


 "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/json/encoder.py", line 199, in encode

chunks = self.iterencode(o, _one_shot=True)


 "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/json/encoder.py", line 257, in iterencode

return _iterencode(o, 0)


 "/usr/local/lib/python3.7/site-packages/visidata/loaders/json.py", line 78, in default

return json.JSONEncoder.default(self, o)


 "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/json/encoder.py", line 179, in default

raise TypeError(f'Object of type {o.__class__.__name__} '
TypeError: Object of type date is not JSON serializable
