Yosukesan

I had probably the same issue on my host. Is this reproducible for you ? I also found pytest failed in my host env. Please check my following report after...

Here is my test result. * env - debian 11 - python3.9 3.9.2-1 - pyportfolioopt 1.5.3 ``` ============================= test session starts ============================== platform linux -- Python 3.9.2, pytest-6.0.2, py-1.10.0, pluggy-0.13.0...

Worked on my env. Thanks !  Just added plt.show() for completeness. ``` import pandas as pd import matplotlib.pyplot as plt from pypfopt import EfficientFrontier from pypfopt import risk_models from...

I also found the same err. Looks their URL is changed. Test case failed. From tests/test_tse.py TSPReader supposed to returns fund info. Are they the relocated data ? https://www.tsp.gov/fund-performance/ https://www.tsp.gov/share-price-history/...

I came across the same issue on Fred's data and researched. Check '4.16 Seconds Since the Epoch'. There is no standard if unit time became negative. https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html I feel it's...

Pull request https://github.com/greedo/python-xbrl/pull/61