revert regression

Ouranosinc · Aug 23, 2024 · 0523255 · 0523255
1 parent 8e06ef2
commit 0523255
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/xclim/core/units.py b/xclim/core/units.py
@@ -375,7 +375,9 @@ def convert_units_to(  # noqa: C901
     raise NotImplementedError(f"Source of type `{type(source)}` is not supported.")
 
 
-def cf_conversion(standard_name: str, conversion: str, direction: str) -> str | None:
+def cf_conversion(
+    standard_name: str, conversion: str, direction: Literal["to", "from"]
+) -> str | None:
     """Get the standard name of the specific conversion for the given standard name.
 
     Parameters