fix scikit-learn requirement
@@ -27,7 +27,7 @@ requirements:
- patsy >=0.2.1
- python >=3.6
- python-dateutil >=2.5.0
- - scikit-learn
+ - scikit-learn <0.24.0
- scipy >=0.13.3
- sqlalchemy >=0.9.9
- statsmodels >=0.5.0
