The file reader currently forwards every keyword to Fiona, so callers cannot ask GeoPandas for a small…

The file reader currently forwards every keyword to Fiona, so callers cannot ask GeoPandas for a small…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). columns is an optional sequence of non-geometry attribute names. Validate that it is a sequence (a bare string…