removing encoding['source_group'] line to avoid conflicts with PR pydata#9660

Author: aladinor

xarray/backends/h5netcdf_.py

@@ -494,12 +494,8 @@ def open_datatree(
             driver_kwds=driver_kwds,
             **kwargs,
         )
-        if group:
-            dt = datatree_from_dict_with_io_cleanup(groups_dict)
-            dt.encoding["source_group"] = group
-            return dt
-        else:
-            return datatree_from_dict_with_io_cleanup(groups_dict)
+
+        return datatree_from_dict_with_io_cleanup(groups_dict)
 
     def open_groups_as_dict(
         self,

xarray/backends/netCDF4_.py

@@ -729,12 +729,8 @@ def open_datatree(
             autoclose=autoclose,
             **kwargs,
         )
-        if group:
-            dt = datatree_from_dict_with_io_cleanup(groups_dict)
-            dt.encoding["source_group"] = group
-            return dt
-        else:
-            return datatree_from_dict_with_io_cleanup(groups_dict)
+
+        return datatree_from_dict_with_io_cleanup(groups_dict)
 
     def open_groups_as_dict(
         self,

xarray/backends/zarr.py

@@ -1466,12 +1466,8 @@ def open_datatree(
             zarr_format=zarr_format,
             **kwargs,
         )
-        if group:
-            dt = datatree_from_dict_with_io_cleanup(groups_dict)
-            dt.encoding["source_group"] = group
-            return dt
-        else:
-            return datatree_from_dict_with_io_cleanup(groups_dict)
+
+        return datatree_from_dict_with_io_cleanup(groups_dict)
 
     def open_groups_as_dict(
         self,