diff --git a/client/tests/mtproto_test.py b/client/tests/mtproto_test.py
index 6b184ca8..8ec99cd4 100644
--- a/client/tests/mtproto_test.py
+++ b/client/tests/mtproto_test.py
@@ -2,6 +2,7 @@ import struct
 from typing import Optional
 
 from pytest import raises
+
 from telethon._impl.crypto import AuthKey
 from telethon._impl.mtproto import Encrypted, Plain, RpcError
 from telethon._impl.mtproto.mtp.types import MsgId
diff --git a/client/tests/mtsender_test.py b/client/tests/mtsender_test.py
index 93ab7cee..0a9e2c59 100644
--- a/client/tests/mtsender_test.py
+++ b/client/tests/mtsender_test.py
@@ -2,6 +2,7 @@ import asyncio
 import logging
 
 from pytest import LogCaptureFixture, mark
+
 from telethon._impl.mtproto import Full
 from telethon._impl.mtsender import connect
 from telethon._impl.tl import LAYER, abcs, functions, types
diff --git a/client/tests/peer_ref_test.py b/client/tests/peer_ref_test.py
index 6a23246c..9c22bd7e 100644
--- a/client/tests/peer_ref_test.py
+++ b/client/tests/peer_ref_test.py
@@ -1,6 +1,7 @@
 import inspect
 
 from pytest import raises
+
 from telethon._impl.session import ChannelRef, GroupRef, PeerRef, UserRef
 
 USER = UserRef(12, 34)
diff --git a/client/tests/reader_test.py b/client/tests/reader_test.py
index 26037bfc..ca8ac16c 100644
--- a/client/tests/reader_test.py
+++ b/client/tests/reader_test.py
@@ -1,6 +1,7 @@
 import struct
 
 from pytest import mark
+
 from telethon._impl.tl.core import Reader, Serializable
 from telethon._impl.tl.mtproto.types import BadServerSalt
 from telethon._impl.tl.types import GeoPoint
diff --git a/client/tests/rsa_test.py b/client/tests/rsa_test.py
index 90986925..fe791fe9 100644
--- a/client/tests/rsa_test.py
+++ b/client/tests/rsa_test.py
@@ -1,4 +1,5 @@
 from rsa import PublicKey
+
 from telethon._impl.crypto.rsa import (
     PRODUCTION_RSA_KEY,
     TESTMODE_RSA_KEY,
diff --git a/client/tests/serializable_test.py b/client/tests/serializable_test.py
index f402186e..6ffbef41 100644
--- a/client/tests/serializable_test.py
+++ b/client/tests/serializable_test.py
@@ -1,4 +1,5 @@
 from pytest import mark
+
 from telethon._impl.tl.core import serialize_bytes_to
 
 
diff --git a/client/tests/transport/abridged_test.py b/client/tests/transport/abridged_test.py
index d3b425ab..0ef5ca60 100644
--- a/client/tests/transport/abridged_test.py
+++ b/client/tests/transport/abridged_test.py
@@ -1,4 +1,5 @@
 from pytest import raises
+
 from telethon._impl.mtproto import Abridged
 
 
diff --git a/client/tests/transport/full_test.py b/client/tests/transport/full_test.py
index 79441a86..c1e7f9bc 100644
--- a/client/tests/transport/full_test.py
+++ b/client/tests/transport/full_test.py
@@ -1,4 +1,5 @@
 from pytest import raises
+
 from telethon._impl.mtproto import Full
 
 
diff --git a/client/tests/transport/intermediate_test.py b/client/tests/transport/intermediate_test.py
index e9d55f39..52fe4761 100644
--- a/client/tests/transport/intermediate_test.py
+++ b/client/tests/transport/intermediate_test.py
@@ -1,4 +1,5 @@
 from pytest import raises
+
 from telethon._impl.mtproto import Intermediate
 
 
diff --git a/client/tests/two_factor_auth_test.py b/client/tests/two_factor_auth_test.py
index 40a60b82..32df3fba 100644
--- a/client/tests/two_factor_auth_test.py
+++ b/client/tests/two_factor_auth_test.py
@@ -1,4 +1,5 @@
 from pytest import mark, raises
+
 from telethon._impl.crypto.two_factor_auth import (
     calculate_2fa,
     check_p_prime_and_subgroup,
diff --git a/client/tests/types_test.py b/client/tests/types_test.py
index e19dc957..34bebe52 100644
--- a/client/tests/types_test.py
+++ b/client/tests/types_test.py
@@ -1,4 +1,5 @@
 from pytest import mark
+
 from telethon._impl.client.types import AdminRight
 from telethon._impl.tl import types
 
diff --git a/generator/tests/common_test.py b/generator/tests/common_test.py
index f94be28d..616bf073 100644
--- a/generator/tests/common_test.py
+++ b/generator/tests/common_test.py
@@ -1,4 +1,5 @@
 from pytest import mark
+
 from telethon_generator._impl.codegen.serde.common import (
     split_words,
     to_class_name,
diff --git a/generator/tests/definition_test.py b/generator/tests/definition_test.py
index e395d77e..1f3d3909 100644
--- a/generator/tests/definition_test.py
+++ b/generator/tests/definition_test.py
@@ -1,4 +1,5 @@
 from pytest import mark, raises
+
 from telethon_generator.tl_parser import (
     Definition,
     Flag,
diff --git a/generator/tests/parameter_test.py b/generator/tests/parameter_test.py
index 61829f30..5d7d1b37 100644
--- a/generator/tests/parameter_test.py
+++ b/generator/tests/parameter_test.py
@@ -1,4 +1,5 @@
 from pytest import mark, raises
+
 from telethon_generator.tl_parser import (
     Flag,
     FlagsParameter,
diff --git a/generator/tests/tl_iterator_test.py b/generator/tests/tl_iterator_test.py
index 2e2bb6e6..b4d41bc4 100644
--- a/generator/tests/tl_iterator_test.py
+++ b/generator/tests/tl_iterator_test.py
@@ -1,4 +1,5 @@
 from pytest import raises
+
 from telethon_generator.tl_parser import FunctionDef, TypeDef, parse_tl_file
 
 
diff --git a/generator/tests/ty_test.py b/generator/tests/ty_test.py
index a797c759..ac1f5879 100644
--- a/generator/tests/ty_test.py
+++ b/generator/tests/ty_test.py
@@ -1,6 +1,7 @@
 from typing import Optional
 
 from pytest import mark, raises
+
 from telethon_generator.tl_parser import Type