diff --git a/para_tri_dataset/paraphrase_dataset/base.py b/para_tri_dataset/paraphrase_dataset/base.py
index 9f250a0..c47ffc4 100644
--- a/para_tri_dataset/paraphrase_dataset/base.py
+++ b/para_tri_dataset/paraphrase_dataset/base.py
@@ -26,7 +26,6 @@ class Phrase(AbstractDataclass):
 
 
 class ParaphraseDataset(abc.ABC):
-
     @classmethod
     @abc.abstractmethod
     def from_config(cls, cfg: Config) -> "ParaphraseDataset":
diff --git a/para_tri_dataset/paraphrase_dataset/para_phraser_plus/file_dataset.py b/para_tri_dataset/paraphrase_dataset/para_phraser_plus/file_dataset.py
index 059699a..f134050 100644
--- a/para_tri_dataset/paraphrase_dataset/para_phraser_plus/file_dataset.py
+++ b/para_tri_dataset/paraphrase_dataset/para_phraser_plus/file_dataset.py
@@ -27,8 +27,9 @@ class ParaPhraserPlusPhrase(Phrase):
     text: str
 
 
-def parse_json_dataset(dataset: SerializedDatasetType)\
-        -> Generator[Tuple[ParaPhraserPlusPhrase, Tuple[int, ...]], None, None]:
+def parse_json_dataset(
+    dataset: SerializedDatasetType,
+) -> Generator[Tuple[ParaPhraserPlusPhrase, Tuple[int, ...]], None, None]:
 
     offset = 0
     for serialized_record in dataset.values():
@@ -111,7 +112,7 @@ def get_paraphrases(self, phrase: ParaPhraserPlusPhrase) -> Tuple[ParaPhraserPlu
         try:
             paraphrases_ids = self.phrases_relations[phrase.id]
         except IndexError as err:
-            raise ValueError(f'not fount phrase by id {phrase.id}') from err
+            raise ValueError(f"not fount phrase by id {phrase.id}") from err
 
         return tuple(self.get_phrase_by_id(p_id) for p_id in paraphrases_ids)
 
diff --git a/para_tri_dataset/paraphrase_dataset/para_phraser_plus/test/test_file_dataset.py b/para_tri_dataset/paraphrase_dataset/para_phraser_plus/test/test_file_dataset.py
index 729b0ec..1ed0917 100644
--- a/para_tri_dataset/paraphrase_dataset/para_phraser_plus/test/test_file_dataset.py
+++ b/para_tri_dataset/paraphrase_dataset/para_phraser_plus/test/test_file_dataset.py
@@ -41,7 +41,10 @@ def dataset(phrase_a, phrase_b) -> ParaPhraserPlusFileDataset:
             phrase_a,
             phrase_b,
         ),
-        ((1,), (0,),)
+        (
+            (1,),
+            (0,),
+        ),
     )
 
 
@@ -75,11 +78,15 @@ def test_iterate_phrases(dataset: ParaPhraserPlusFileDataset, phrase_a, phrase_b
     assert next(dataset.iterate_phrases(offset=1)) == phrase_b
 
     phrases_id = tuple(dataset.iterate_phrases_id())
-    assert phrases_id == (0, 1,)
+    assert phrases_id == (
+        0,
+        1,
+    )
 
 
-def test_get_paraphrases(dataset: ParaPhraserPlusFileDataset, phrase_a: ParaPhraserPlusPhrase,
-                         phrase_b: ParaPhraserPlusPhrase):
+def test_get_paraphrases(
+    dataset: ParaPhraserPlusFileDataset, phrase_a: ParaPhraserPlusPhrase, phrase_b: ParaPhraserPlusPhrase
+):
 
     paraphrases_a = dataset.get_paraphrases(phrase_a)
     assert len(paraphrases_a) == 1
@@ -98,8 +105,9 @@ def test_get_paraphrases(dataset: ParaPhraserPlusFileDataset, phrase_a: ParaPhra
     assert paraphrases_id_b[0] == phrase_a.id
 
 
-def test_get_phrase_by_idx(dataset: ParaPhraserPlusFileDataset, phrase_a: ParaPhraserPlusPhrase,
-                           phrase_b: ParaPhraserPlusPhrase):
+def test_get_phrase_by_idx(
+    dataset: ParaPhraserPlusFileDataset, phrase_a: ParaPhraserPlusPhrase, phrase_b: ParaPhraserPlusPhrase
+):
 
     assert phrase_a == dataset.get_phrase_by_id(0)
     assert phrase_b == dataset.get_phrase_by_id(1)
diff --git a/para_tri_dataset/phrase_vector_model/base.py b/para_tri_dataset/phrase_vector_model/base.py
index 048f8ea..bc6e9e2 100644
--- a/para_tri_dataset/phrase_vector_model/base.py
+++ b/para_tri_dataset/phrase_vector_model/base.py
@@ -30,7 +30,6 @@ class PhraseNumpyVector(PhraseVector):
 
 
 class PhraseVectorModel(abc.ABC):
-
     @classmethod
     @abc.abstractmethod
     def from_config(cls, cfg: Config) -> "PhraseVectorModel":