Minor fix to tests

tests/conftest.py

@@ -31,7 +31,9 @@ def notebooks():
         "embedding_trainer": os.path.join(
             folder_notebooks, "embeddings", "embedding_trainer.ipynb"
         ),
-        "bert_encoder": os.path.join(folder_notebooks, "sentence_similarity", "bert_encoder.ipynb")
+        "bert_encoder": os.path.join(
+            folder_notebooks, "sentence_similarity", "bert_encoder.ipynb"
+        ),
         "gensen_local": os.path.join(
             folder_notebooks, "sentence_similarity", "gensen_local.ipynb"
         ),