[BUG] added forgotten 'raise' keyword (#2496)

deepchecks · May 6, 2023 · 7f107b2 · 7f107b2
1 parent 728cc44
commit 7f107b2
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/deepchecks/nlp/checks/data_integrity/unknown_tokens.py b/deepchecks/nlp/checks/data_integrity/unknown_tokens.py
@@ -64,10 +64,11 @@ def __init__(
         if tokenizer is None:
             try:
                 from transformers import BertTokenizer  # pylint: disable=W0611,C0415 # noqa
-            except ImportError:
-                DeepchecksProcessError(
-                    'Tokenizer was not provided. In order to use checks default tokenizer (BertTokenizer),'
-                    'please pip install transformers>=4.27.4. ')
+            except ImportError as e:
+                raise DeepchecksProcessError(
+                    'Tokenizer was not provided. In order to use checks default '
+                    'tokenizer (BertTokenizer), please run:\n>> pip install transformers>=4.27.4.'
+                ) from e
             self.tokenizer = BertTokenizer.from_pretrained('bert-base-uncased')
         else:
             self._validate_tokenizer()