qlib: TypeError: control character 'delimiter' cannot be a newline

🐛 Bug Description

Traceback (most recent call last): File “D:\dev\anaconda3\envs\qlib\lib\site-packages\IPython\core\interactiveshell.py”, line 3398, in run_code exec(code_obj, self.user_global_ns, self.user_ns) File “<ipython-input-23-054cc63f4876>”, line 1, in <cell line: 1> e.calendar(start_time=‘2010-01-01’, end_time=‘2017-12-31’, freq=‘day’) File “D:\dev\pyqlib\qlib\qlib\data\data.py”, line 90, in calendar _calendar, _calendar_index = self._get_calendar(freq, future) File “D:\dev\pyqlib\qlib\qlib\data\data.py”, line 171, in _get_calendar _calendar = np.array(self.load_calendar(freq, future)) File “D:\dev\pyqlib\qlib\qlib\data\data.py”, line 657, in load_calendar backend_obj = self.backend_obj(freq=freq, future=future).data File “D:\dev\pyqlib\qlib\qlib\data\storage\file_storage.py”, line 129, in data H[“c”][key] = self._read_calendar() File “D:\dev\pyqlib\qlib\qlib\data\storage\file_storage.py”, line 111, in _read_calendar for x in np.loadtxt(fp, str, skiprows=skip_rows, max_rows=n_rows, delimiter=“\n”, encoding=“utf-8”) File “D:\dev\anaconda3\envs\qlib\lib\site-packages\numpy\lib\npyio.py”, line 1301, in loadtxt arr = _read(fname, dtype=dtype, comment=comment, delimiter=delimiter, File “D:\dev\anaconda3\envs\qlib\lib\site-packages\numpy\lib\npyio.py”, line 1006, in _read next_arr = _load_from_filelike( TypeError: control character ‘delimiter’ cannot be a newline (\r or \n).

To Reproduce

Steps to reproduce the behavior: 1.download the data by get_data.py firstly 2.write a simple demo qlib.init(provider_uri=“D:/dev/pyqlib/data/cn_data/”)

from qlib.data import D

D.calendar(start_time='2010-01-01', end_time='2017-12-31', freq='day')[:5]

Expected Behavior

Screenshot

Environment

Note: User could run cd scripts && python collect_info.py all under project directory to get system information and paste them here directly.

• Qlib version: 0.8.6
• Python version: 3.8
• OS (Windows, Linux, MacOS):Windows
• Commit number (optional, please provide it if you are using the dev version):

Additional Notes