Fix unit refs : Units are immutable, have no copy()

SciTools · Apr 26, 2018 · 5f9faa7 · 5f9faa7
1 parent 0f7aa9a
commit 5f9faa7
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/lib/iris/coords.py b/lib/iris/coords.py
@@ -911,8 +911,8 @@ def convert_units(self, unit):
                 'The "coord.units" attribute may be set directly.')
         if self.has_lazy_points() or self.has_lazy_bounds():
             # Make fixed copies of old + new units for a delayed conversion.
-            old_unit = self.units.copy()
-            new_unit = unit.copy()
+            old_unit = self.units
+            new_unit = unit
 
             # Define a delayed conversion operation (i.e. a callback).
             def pointwise_convert(values):

diff --git a/lib/iris/cube.py b/lib/iris/cube.py
@@ -876,8 +876,8 @@ def convert_units(self, unit):
                 'The "cube.units" attribute may be set directly.')
         if self.has_lazy_data():
             # Make fixed copies of old + new units for a delayed conversion.
-            old_unit = self.units.copy()
-            new_unit = unit.copy()
+            old_unit = self.units
+            new_unit = unit
 
             # Define a delayed conversion operation (i.e. a callback).
             def pointwise_convert(values):