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Avoid one deepcopy in geometry encoding #538

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Avoid one deepcopy in geometry encoding #538

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2 changes: 1 addition & 1 deletion cf_xarray/geometry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -324,7 +324,7 @@ def encode_geometries(ds: xr.Dataset):
# TODO: this is incomplete. It works for vector data cubes where one of the geometry vars
# is a dimension coordinate.
if name in var.dims:
var = var.copy()
var = var.copy(deep=False)
var._attrs = copy.deepcopy(var._attrs)
var.attrs["geometry"] = container_name
# The grid_mapping and coordinates attributes can be carried by the geometry container
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