fix style check

src/Storages/MergeTree/MergeTreeData.cpp

@@ -7310,13 +7310,14 @@ MergeTreeData::MutableDataPartPtr MergeTreeData::createEmptyPart(
     SyncGuardPtr sync_guard;
     if (new_data_part->isStoredOnDisk())
     {
-
         /// The name could be non-unique in case of stale files from previous runs.
         String full_path = new_data_part->getFullRelativePath();
 
         if (new_data_part->volume->getDisk()->exists(full_path))
         {
             LOG_WARNING(log, "Removing old temporary directory {}", fullPath(new_data_part->volume->getDisk(), full_path));
+            /// The path has to be unique, all tmp directories are deleted at startup in case of stale files from previous runs.
+            /// New part have to capture its name, therefore there is no concurrentcy in directory creation
             throw Exception(ErrorCodes::LOGICAL_ERROR,
                             "New empty part is about to matirialize but the dirrectory already exist"
                             ", new part {}"

tests/integration/helpers/wait_for_helpers.py

@@ -28,4 +28,3 @@ def wait_for_delete_empty_parts(node, table, database=None, timeout=60):
         f"WHERE active AND rows = 0 AND table = '{table}' AND database = '{database}'"
     )
     assert_eq_with_retry(node, empty_parts_query, "0\n")
-

tests/integration/test_multiple_disks/test.py

@@ -1255,7 +1255,6 @@ def test_concurrent_alter_move_and_drop(start_cluster, name, engine):
                     else:
                         raise e
 
-
         insert(100)
         p = Pool(15)
         tasks = []

tests/integration/test_partition/test.py

@@ -457,10 +457,7 @@ def test_system_detached_parts(drop_detached_parts_table):
 
 
 def test_detached_part_dir_exists(started_cluster):
-    q(
-        "create table detached_part_dir_exists (n int) "
-        "engine=MergeTree order by n"
-    )
+    q("create table detached_part_dir_exists (n int) engine=MergeTree order by n")
     q("insert into detached_part_dir_exists select 1")  # will create all_1_1_0
     q(
         "alter table detached_part_dir_exists detach partition id 'all'"