TYP: Fix core/groupby/generic.py lexsort attr-defined type ignore (#46521)
TYP: Fix core/groupby/generic.py lexsort attr-defined type ignore (#46521)


pandas-dev/pandas,datapythonista/pandas,pandas-dev/pandas,datapythonista/pandas,pandas-dev/pandas,datapythonista/pandas,datapythonista/pandas,pandas-dev/pandas