Results 1 issues of Du Jinhong

When running `statsmodels.discrete.discrete_model.NegativeBinomial(...).fit_regularized(...)`, I encountered a warning from https://github.com/statsmodels/statsmodels/blob/192670b31c9069b247b0901d66013853e2ca47b7/statsmodels/base/l1_solvers_common.py#L70-L71 Even though the results from `model.summary` look ok, the warning cannot be turned off and ignored with `warnings.filterwarnings('ignore')`. Below is the...

type-bug
comp-discrete
prio-elev