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

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

Author: pre-commit-ci[bot]

pymc_extras/model_builder.py

@@ -526,7 +526,7 @@ def fit(
             self.idata.add_groups(fit_data=combined_data.to_xarray())  # type: ignore
 
         self.is_fitted_ = True
-        
+
         return self.idata  # type: ignore
 
     def predict(