Add comment about linking to get_converters_and unit with another nam…

…e. [ci skip]
astropy · Dec 21, 2017 · f379050 · f379050
1 parent 449cbd7
commit f379050
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/astropy/units/quantity_helper.py b/astropy/units/quantity_helper.py
@@ -350,7 +350,8 @@ def get_converters_and_unit(f, unit1, unit2):
         return converters, unit1
 
 
-# Use function directly so to avoid a needless function call.
+# This used to be a separate function that just called get_converters_and_unit.
+# Using it directly saves a few us; keeping the clearer name.
 helper_twoarg_invariant = get_converters_and_unit