Báo lỗi 'Length mismatch: Expected axis has 4 elements, new values have 12 elements"

[DuongNhatThanh]

Tôi gặp phải lỗi "Length mismatch: Expected axis has 4 elements, new values have 12 elements" khi chạy đoạn code sau: "import vnquant.data as dt START = "2018-01-10" TODAY = "2018-02-15" loader = dt.DataLoader(symbols="VND", start=START, end=TODAY, minimal=True, data_source="cafe")

Download the data using the loader

data = loader.download()

Display the data as a Pandas DataFrame

print(data)". Đây là full output: " data = loader.download() ^^^^^^^^^^^^^^^^^ File "C:\Users\duong\anaconda3\Lib\site-packages\vnquant-0.1.1-py3.11.egg\vnquant\data\dataloader.py", line 36, in download stock_data = loader.download() ^^^^^^^^^^^^^^^^^ File "C:\Users\duong\anaconda3\Lib\site-packages\vnquant-0.1.1-py3.11.egg\vnquant\data\dataloader.py", line 231, in download stock_datas.append(self.download_one(symbol)) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\duong\anaconda3\Lib\site-packages\vnquant-0.1.1-py3.11.egg\vnquant\data\dataloader.py", line 242, in download_one stock_slice_batch = self.download_batch(i + 1, symbol) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\duong\anaconda3\Lib\site-packages\vnquant-0.1.1-py3.11.egg\vnquant\data\dataloader.py", line 295, in download_batch stock_slice_batch.columns = ['date', 'adjust', 'close', 'change_perc', 'avg', ^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\duong\anaconda3\Lib\site-packages\pandas\core\generic.py", line 5915, in setattr return object.setattr(self, name, value) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "pandas_libs\properties.pyx", line 69, in pandas._libs.properties.AxisProperty.set File "C:\Users\duong\anaconda3\Lib\site-packages\pandas\core\generic.py", line 823, in _set_axis self._mgr.set_axis(axis, labels) File "C:\Users\duong\anaconda3\Lib\site-packages\pandas\core\internals\managers.py", line 230, in set_axis self._validate_set_axis(axis, new_labels) File "C:\Users\duong\anaconda3\Lib\site-packages\pandas\core\internals\base.py", line 70, in _validate_set_axis raise ValueError( ValueError: Length mismatch: Expected axis has 4 elements, new values have 12 elements".