[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

xclim/sdba/adjustment.py

@@ -114,7 +114,7 @@ def _check_inputs(cls, *inputs, group):
         ):
             raise ValueError(
                 "Inputs have different multivariate coordinates "
-                f"({set(mv.name for mv in mvcrds)})."
+                f"({{mv.name for mv in mvcrds}})."
             )
 
         if group.prop == "dayofyear" and (