diff --git a/src/dodal/beamlines/p38.py b/src/dodal/beamlines/p38.py
index e5965dbe27..30cb2e5a99 100644
--- a/src/dodal/beamlines/p38.py
+++ b/src/dodal/beamlines/p38.py
@@ -331,6 +331,7 @@ def ppump(
         fake_with_ophyd_sim,
     )
 
+
 def high_pressure_xray_cell(
     wait_for_connection: bool = True, fake_with_ophyd_sim: bool = False
 ) -> PressureJumpCell:
diff --git a/src/dodal/devices/pressure_jump_cell.py b/src/dodal/devices/pressure_jump_cell.py
index b132092b5c..73b47a9cbf 100644
--- a/src/dodal/devices/pressure_jump_cell.py
+++ b/src/dodal/devices/pressure_jump_cell.py
@@ -14,6 +14,7 @@
 
 OPENSEQ_PULSE_LENGTH = 0.2
 
+
 class PumpState(str, Enum):
     MANUAL = "Manual"
     AUTO_PRESSURE = "Auto Pressure"
diff --git a/tests/devices/unit_tests/test_pressure_jump_cell.py b/tests/devices/unit_tests/test_pressure_jump_cell.py
index bf827a135d..631bc56052 100644
--- a/tests/devices/unit_tests/test_pressure_jump_cell.py
+++ b/tests/devices/unit_tests/test_pressure_jump_cell.py
@@ -1,5 +1,6 @@
-from unittest.mock import ANY
 import asyncio
+from unittest.mock import ANY
+
 import pytest
 from ophyd_async.core import DeviceCollector, assert_reading, set_mock_value
 
@@ -131,14 +132,13 @@ async def test_pjumpcell_set_valve_sets_valve_fields(
     )
 
     # Set new values
-    
+
     await cell.all_valves_control.set_valve(1, ValveControlRequest.CLOSE)
     await cell.all_valves_control.set_valve(6, FastValveControlRequest.ARM)
 
     await asyncio.gather(
         cell.all_valves_control.set_valve(1, ValveControlRequest.OPEN),
         cell.all_valves_control.set_valve(6, FastValveControlRequest.OPEN),
-
         # Check valves requested to open are set to OPEN_SEQ on initially calling
         # set_valve()
         assert_reading(
@@ -153,7 +153,7 @@ async def test_pjumpcell_set_valve_sets_valve_fields(
                     "value": ANY,
                     "timestamp": ANY,
                     "alarm_severity": 0,
-            },
+                },
             },
         ),
         assert_reading(
@@ -168,10 +168,9 @@ async def test_pjumpcell_set_valve_sets_valve_fields(
                     "value": ANY,
                     "timestamp": ANY,
                     "alarm_severity": 0,
+                },
             },
-            },
-        )
-
+        ),
     )
 
     # Check slow valves have been set to the new value and valves requested to open are