There should be tests for some corner cases of the evaluation (empty row/column index) in combination with 0, 1, or several columns with aggregations. We are always running into cases where pandas internally transposes such corner cases into a shape that we do not like.
There should be tests for some corner cases of the evaluation (empty row/column index) in combination with 0, 1, or several columns with aggregations. We are always running into cases where pandas internally transposes such corner cases into a shape that we do not like.