style fixes

Author: vgvoleg

examples/basic_example_v2/basic_example.py

@@ -156,9 +156,7 @@ def callee(session):
             {
                 "$seriesId": series_id,  # could be defined implicit
                 "$seasonId": (season_id, ydb.PrimitiveType.Int64),  # could be defined via tuple
-                "$episodeId": ydb.TypedValue(
-                    episode_id, ydb.PrimitiveType.Int64
-                ),  # could be defined via special class
+                "$episodeId": ydb.TypedValue(episode_id, ydb.PrimitiveType.Int64),  # could be defined via special class
             },
             commit_tx=True,
         ) as result_sets:
@@ -293,7 +291,7 @@ def run(endpoint, database, path):
     with ydb.Driver(
         endpoint=endpoint,
         database=database,
-        credentials=ydb.credentials_from_env_variables()
+        credentials=ydb.credentials_from_env_variables(),
     ) as driver:
         driver.wait(timeout=5, fail_fast=True)