Fixing some ruff errors

Signed-off-by: Damien Thenot <[email protected]>

Author: Nambrok

tests/storage/coalesce/conftest.py

@@ -1,4 +1,5 @@
 import pytest
+
 import logging
 
 MAX_LENGTH = 1 * 1024 * 1024 * 1024 # 1GiB
@@ -17,7 +18,7 @@ def vdi_on_local_sr(host, local_sr_on_hostA1, image_format):
 @pytest.fixture(scope="module")
 def vdi_with_vbd_on_dom0(host, vdi_on_local_sr):
     dom0 = host.get_dom0_VM()
-    vbd_uuid = dom0.connect_vdi(vdi_on_local_sr)
+    dom0.connect_vdi(vdi_on_local_sr)
 
     yield vdi_on_local_sr
 

tests/storage/coalesce/test_coalesce.py

@@ -1,6 +1,6 @@
 import logging
 
-from .utils import wait_for_vdi_coalesce, copy_data_to_tapdev, snapshot_vdi, compare_data
+from .utils import compare_data, copy_data_to_tapdev, snapshot_vdi, wait_for_vdi_coalesce
 
 class Test:
     def test_write_data(self, host, tapdev, data_file_on_host):