Remove formatting for all `standard_name`s (fixes #167)

climix/metadata.py

@@ -54,8 +54,8 @@ class OutputVariable:
     def instantiate(self, parameters):
         return OutputVariable(
             format_var_name(self.var_name, parameters),
-            self.standard_name.format(**parameters),
-            self.proposed_standard_name.format(**parameters),
+            self.standard_name,
+            self.proposed_standard_name,
             self.long_name.format(**parameters),
             self.units,
             self.cell_methods)
@@ -71,8 +71,9 @@ class InputVariable:
     def instantiate(self, parameters):
         return InputVariable(
             format_var_name(self.var_name, parameters),
-            self.standard_name.format(**parameters),
-            self.cell_methods, self.aliases)
+            self.standard_name,
+            self.cell_methods,
+            self.aliases)
 
 
 def build_variable(name, variable, path):
@@ -121,7 +122,7 @@ class ParameterQuantity:
             ln = ln.format(**parameters)
         param = ParameterQuantity(
             format_var_name(self.var_name, parameters),
-            self.standard_name.format(**parameters),
+            self.standard_name,
             data,
             self.units,
             ln)