allow pathlib paths in write_and_run

nlmod/sim/sim.py

@@ -1,6 +1,7 @@
 import datetime as dt
 import logging
 import os
+import pathlib
 from shutil import copyfile
 
 import flopy
@@ -51,7 +52,10 @@ def write_and_run(sim, ds, write_ds=True, script_path=None, silent=False):
         ds.attrs["model_dataset_written_to_disk_on"] = dt.datetime.now().strftime(
             "%Y%m%d_%H:%M:%S"
         )
-        ds.to_netcdf(os.path.join(ds.attrs["model_ws"], f"{ds.model_name}.nc"))
+        if isinstance(ds.attrs["model_ws"], pathlib.PurePath):
+            ds.to_netcdf(ds.attrs["model_ws"] / f"{ds.model_name}.nc")
+        else:
+            ds.to_netcdf(os.path.join(ds.attrs["model_ws"], f"{ds.model_name}.nc"))
 
     logger.info("write modflow files to model workspace")
     sim.write_simulation(silent=silent)