Fixed spelling #202

Author: dpuenteramirez

semisupervised/ensemble/_RESSEL.py

@@ -171,12 +171,12 @@ def _validate_params(self, base_estimator, labeled, unlabeled):
         """
         if not isinstance(labeled, pd.DataFrame):
             raise AttributeError(
-                "Labeled samples object needs to be a Pandas DataFrame. Not a ",
+                "Labeled samples object needs to be a Pandas DataFrame. Not ",
                 type(labeled),
             )
         if not isinstance(unlabeled, pd.DataFrame):
             raise AttributeError(
-                "Unlabeled samples object needs to be a Pandas DataFrame. " "Not a ",
+                "Unlabeled samples object needs to be a Pandas DataFrame. Not ",
                 type(unlabeled),
             )
         if labeled.shape[1] != unlabeled.shape[1] + 1: