Iterate over the dictionary instead of its keys
@@ -1879,7 +1879,7 @@ class MapAxes(Sequence):
axes.append(axis)
elif format == "gadf-dl3":
- for column_prefix in IRF_DL3_AXES_SPECIFICATION.keys():
+ for column_prefix in IRF_DL3_AXES_SPECIFICATION:
try:
axis = MapAxis.from_table(
table, format=format, column_prefix=column_prefix
