diff --git a/src/c3nav/mesh/consumers.py b/src/c3nav/mesh/consumers.py
index 202e2067..2fde981d 100644
--- a/src/c3nav/mesh/consumers.py
+++ b/src/c3nav/mesh/consumers.py
@@ -17,8 +17,8 @@ from django.utils import timezone
 from c3nav.mesh import messages
 from c3nav.mesh.messages import (MESH_BROADCAST_ADDRESS, MESH_NONE_ADDRESS, MESH_ROOT_ADDRESS, OTA_CHUNK_SIZE,
                                  MeshMessage, MeshMessageType)
-from c3nav.mesh.models import MeshNode, MeshUplink, NodeMessage, OTAUpdate, OTAUpdateRecipient, OTARecipientStatus
-from c3nav.mesh.utils import MESH_ALL_UPLINKS_GROUP, UPLINK_PING, get_mesh_uplink_group, MESH_ALL_OTA_GROUP
+from c3nav.mesh.models import MeshNode, MeshUplink, NodeMessage, OTARecipientStatus, OTAUpdate, OTAUpdateRecipient
+from c3nav.mesh.utils import MESH_ALL_OTA_GROUP, MESH_ALL_UPLINKS_GROUP, UPLINK_PING, get_mesh_uplink_group
 from c3nav.routing.rangelocator import RangeLocator
 
 
diff --git a/src/c3nav/mesh/messages.py b/src/c3nav/mesh/messages.py
index 14cdf643..0309c88a 100644
--- a/src/c3nav/mesh/messages.py
+++ b/src/c3nav/mesh/messages.py
@@ -269,7 +269,6 @@ class ConfigUplinkMessage(MeshMessage, msg_type=MeshMessageType.CONFIG_UPLINK):
     port: int = field(metadata={"format": SimpleFormat('H')})
 
 
-
 @unique
 class OTADeviceStatus(EnumSchemaByNameMixin, IntEnum):
     """ ota status, the ones >= 0x10 denote a permanent failure """
diff --git a/src/c3nav/mesh/models.py b/src/c3nav/mesh/models.py
index 8f847dc8..fc708673 100644
--- a/src/c3nav/mesh/models.py
+++ b/src/c3nav/mesh/models.py
@@ -8,7 +8,6 @@ from operator import attrgetter
 from typing import Any, Mapping, Optional, Self
 
 import channels
-from asgiref.sync import async_to_sync
 from django.contrib.auth import get_user_model
 from django.core.validators import RegexValidator
 from django.db import NotSupportedError, models
@@ -23,7 +22,7 @@ from c3nav.mesh.dataformats import BoardType, ChipType, FirmwareImage
 from c3nav.mesh.messages import ConfigFirmwareMessage, ConfigHardwareMessage
 from c3nav.mesh.messages import MeshMessage as MeshMessage
 from c3nav.mesh.messages import MeshMessageType
-from c3nav.mesh.utils import UPLINK_TIMEOUT, MESH_ALL_OTA_GROUP
+from c3nav.mesh.utils import MESH_ALL_OTA_GROUP, UPLINK_TIMEOUT
 from c3nav.routing.rangelocator import RangeLocator
 
 FirmwareLookup = namedtuple('FirmwareLookup', ('sha256_hash', 'chip', 'project_name', 'version', 'idf_version'))
@@ -528,4 +527,3 @@ class OTAUpdateRecipient(models.Model):
             "update": self.update_id,
             "status": self.status,
         }
-