diff --git a/src/haven/devices/detectors/xspress.py b/src/haven/devices/detectors/xspress.py
index 882419b9..12d63467 100644
--- a/src/haven/devices/detectors/xspress.py
+++ b/src/haven/devices/detectors/xspress.py
@@ -11,7 +11,12 @@
     TriggerInfo,
 )
 from ophyd_async.epics import adcore
-from ophyd_async.epics.adcore._utils import ADBaseDataType, convert_ad_dtype_to_np, NDAttributeParam, NDAttributeDataType
+from ophyd_async.epics.adcore._utils import (
+    ADBaseDataType,
+    NDAttributeDataType,
+    NDAttributeParam,
+    convert_ad_dtype_to_np,
+)
 from ophyd_async.epics.core import epics_signal_rw, epics_signal_x
 
 from .area_detectors import HavenDetector, default_path_provider
diff --git a/src/haven/run_engine.py b/src/haven/run_engine.py
index 23615a93..26200813 100644
--- a/src/haven/run_engine.py
+++ b/src/haven/run_engine.py
@@ -1,5 +1,5 @@
-from uuid import uuid4 as uuid
 import logging
+from uuid import uuid4 as uuid
 
 import databroker
 import IPython
@@ -10,6 +10,7 @@
 from bluesky_kafka import Publisher
 
 from haven import load_config
+
 from .catalog import tiled_client
 from .exceptions import ComponentNotFound
 from .instrument import beamline
diff --git a/src/haven/tests/test_preprocessors.py b/src/haven/tests/test_preprocessors.py
index 0337825a..94945f19 100644
--- a/src/haven/tests/test_preprocessors.py
+++ b/src/haven/tests/test_preprocessors.py
@@ -13,7 +13,12 @@
 
 @pytest.fixture()
 def RE():
-    return run_engine(use_bec=False, connect_databroker=False, connect_tiled=False)
+    return run_engine(
+        use_bec=False,
+        connect_databroker=False,
+        connect_tiled=False,
+        connect_kafka=False,
+    )
 
 
 @pytest.mark.xfail
diff --git a/src/haven/tests/test_run_engine.py b/src/haven/tests/test_run_engine.py
index 88e5b328..f4868266 100644
--- a/src/haven/tests/test_run_engine.py
+++ b/src/haven/tests/test_run_engine.py
@@ -23,19 +23,31 @@ def test_subscribers_garbage_collection(monkeypatch, aps):
 
     """
     monkeypatch.setattr(databroker, "catalog", {"bluesky": databroker.temp()})
-    RE = run_engine(use_bec=False, connect_tiled=False)
+    RE = run_engine(
+        use_bec=False, connect_tiled=False, connect_databroker=True, connect_kafka=False
+    )
     assert len(RE.dispatcher.cb_registry.callbacks) == 12
     gc.collect()
     assert len(RE.dispatcher.cb_registry.callbacks) == 12
 
 
 def test_run_engine_preprocessors(aps):
-    RE = run_engine(use_bec=False, connect_databroker=False, connect_tiled=False)
+    RE = run_engine(
+        use_bec=False,
+        connect_databroker=False,
+        connect_tiled=False,
+        connect_kafka=False,
+    )
     assert len(RE.preprocessors) > 0
 
 
 def test_run_engine_created(aps):
-    RE = run_engine(use_bec=False, connect_databroker=False, connect_tiled=False)
+    RE = run_engine(
+        use_bec=False,
+        connect_databroker=False,
+        connect_tiled=False,
+        connect_kafka=False,
+    )
     assert isinstance(RE, RunEngine)
 
 
diff --git a/src/queueserver/launch_queueserver.py b/src/queueserver/launch_queueserver.py
index c4dcd9d5..62644deb 100644
--- a/src/queueserver/launch_queueserver.py
+++ b/src/queueserver/launch_queueserver.py
@@ -1,9 +1,12 @@
+import logging
 import os
 import subprocess
 from pathlib import Path
 
 from haven import load_config
 
+log = logging.getLogger(__name__)
+
 
 def launch_queueserver():
     # Derive environmental variables
diff --git a/src/queueserver/queueserver_startup.py b/src/queueserver/queueserver_startup.py
index f8660658..dda4ac78 100755
--- a/src/queueserver/queueserver_startup.py
+++ b/src/queueserver/queueserver_startup.py
@@ -39,10 +39,7 @@
 
 # Create a run engine
 RE = run_engine(
-    connect_databroker=False,
-    connect_tiled=False,
-    connect_kafka=True,
-    use_bec=False
+    connect_databroker=False, connect_tiled=False, connect_kafka=True, use_bec=False
 )
 
 # Import devices