Update lib/ncdata/xarray.py

Co-authored-by: Patrick Peglar <patrick.peglar@metoffice.gov.uk>

Author: valeriupredoi

lib/ncdata/xarray.py

@@ -111,7 +111,7 @@ def store(
                 # Zarr2 metadata
                 if "axis" not in var.attrs:
                     std_axes = ["latitude", "longitude", "time"]
-                    if not list(set(var.attrs.values()) & set(std_axes)):
+                    if not [s for s in std_axes if s in str(var.attrs.values())]:
                         _raise_warning(var)
                 # Zarr3 metadata
                 else: