BUG: k holds indices. Must be integers now.
BUG: k holds indices. Must be integers now.

josef-pkt/statsmodels,josef-pkt/statsmodels,statsmodels/statsmodels,statsmodels/statsmodels,bashtage/statsmodels,josef-pkt/statsmodels,statsmodels/statsmodels,josef-pkt/statsmodels,josef-pkt/statsmodels,bashtage/statsmodels,josef-pkt/statsmodels,bashtage/statsmodels,bashtage/statsmodels,statsmodels/statsmodels,statsmodels/statsmodels,bashtage/statsmodels,bashtage/statsmodels,statsmodels/statsmodels