diff --git a/ereuse_devicehub/auth.py b/ereuse_devicehub/auth.py
index baa23885..5820c326 100644
--- a/ereuse_devicehub/auth.py
+++ b/ereuse_devicehub/auth.py
@@ -1,9 +1,9 @@
 from sqlalchemy.exc import DataError
+from teal.auth import TokenAuth
+from teal.db import ResourceNotFound
 from werkzeug.exceptions import Unauthorized
 
 from ereuse_devicehub.resources.user.models import User
-from teal.auth import TokenAuth
-from teal.db import ResourceNotFound
 
 
 class Auth(TokenAuth):
diff --git a/ereuse_devicehub/client.py b/ereuse_devicehub/client.py
index 420e6388..7aa538aa 100644
--- a/ereuse_devicehub/client.py
+++ b/ereuse_devicehub/client.py
@@ -1,13 +1,13 @@
 from inspect import isclass
 from typing import Any, Dict, Iterable, Tuple, Type, Union
 
+from ereuse_utils.test import JSON
 from flask import Response
+from teal.client import Client as TealClient
+from teal.marshmallow import ValidationError
 from werkzeug.exceptions import HTTPException
 
 from ereuse_devicehub.resources import models, schemas
-from ereuse_utils.test import JSON
-from teal.client import Client as TealClient
-from teal.marshmallow import ValidationError
 
 
 class Client(TealClient):
diff --git a/ereuse_devicehub/config.py b/ereuse_devicehub/config.py
index a0505213..936ed280 100644
--- a/ereuse_devicehub/config.py
+++ b/ereuse_devicehub/config.py
@@ -2,13 +2,14 @@ from distutils.version import StrictVersion
 from itertools import chain
 from typing import Set
 
-from ereuse_devicehub.resources import agent, device, event, inventory, lot, tag, user
-from ereuse_devicehub.resources.enums import PriceSoftware, RatingSoftware
 from teal.auth import TokenAuth
 from teal.config import Config
 from teal.enums import Currency
 from teal.utils import import_resource
 
+from ereuse_devicehub.resources import agent, device, event, inventory, lot, tag, user
+from ereuse_devicehub.resources.enums import PriceSoftware, RatingSoftware
+
 
 class DevicehubConfig(Config):
     RESOURCE_DEFINITIONS = set(chain(import_resource(device),
diff --git a/ereuse_devicehub/devicehub.py b/ereuse_devicehub/devicehub.py
index a99cc8e3..915fcde1 100644
--- a/ereuse_devicehub/devicehub.py
+++ b/ereuse_devicehub/devicehub.py
@@ -1,13 +1,13 @@
 from typing import Type
 
 from flask_sqlalchemy import SQLAlchemy
+from teal.config import Config as ConfigClass
+from teal.teal import Teal
 
 from ereuse_devicehub.auth import Auth
 from ereuse_devicehub.client import Client
 from ereuse_devicehub.db import db
 from ereuse_devicehub.dummy.dummy import Dummy
-from teal.config import Config as ConfigClass
-from teal.teal import Teal
 
 
 class Devicehub(Teal):
diff --git a/ereuse_devicehub/marshmallow.py b/ereuse_devicehub/marshmallow.py
index c21d240d..2ff78d99 100644
--- a/ereuse_devicehub/marshmallow.py
+++ b/ereuse_devicehub/marshmallow.py
@@ -1,9 +1,9 @@
 from marshmallow.fields import missing_
-
-from ereuse_devicehub.db import db
 from teal.db import SQLAlchemy
 from teal.marshmallow import NestedOn as TealNestedOn
 
+from ereuse_devicehub.db import db
+
 
 class NestedOn(TealNestedOn):
     __doc__ = TealNestedOn.__doc__
diff --git a/ereuse_devicehub/resources/agent/__init__.py b/ereuse_devicehub/resources/agent/__init__.py
index c85167f2..ac4e6169 100644
--- a/ereuse_devicehub/resources/agent/__init__.py
+++ b/ereuse_devicehub/resources/agent/__init__.py
@@ -1,10 +1,10 @@
 import click
 from flask import current_app as app
+from teal.db import SQLAlchemy
+from teal.resource import Converters, Resource
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.agent import models, schemas
-from teal.db import SQLAlchemy
-from teal.resource import Converters, Resource
 
 
 class AgentDef(Resource):
diff --git a/ereuse_devicehub/resources/agent/models.py b/ereuse_devicehub/resources/agent/models.py
index b7218eb7..775ca359 100644
--- a/ereuse_devicehub/resources/agent/models.py
+++ b/ereuse_devicehub/resources/agent/models.py
@@ -8,13 +8,13 @@ from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.ext.declarative import declared_attr
 from sqlalchemy.orm import backref, relationship
 from sqlalchemy_utils import EmailType, PhoneNumberType
-
-from ereuse_devicehub.resources.models import STR_SIZE, STR_SM_SIZE, Thing
-from ereuse_devicehub.resources.user.models import User
 from teal import enums
 from teal.db import INHERIT_COND, POLYMORPHIC_ID, \
     POLYMORPHIC_ON
 
+from ereuse_devicehub.resources.models import STR_SIZE, STR_SM_SIZE, Thing
+from ereuse_devicehub.resources.user.models import User
+
 
 class JoinedTableMixin:
     # noinspection PyMethodParameters
diff --git a/ereuse_devicehub/resources/agent/models.pyi b/ereuse_devicehub/resources/agent/models.pyi
index e4b5853e..379c2fad 100644
--- a/ereuse_devicehub/resources/agent/models.pyi
+++ b/ereuse_devicehub/resources/agent/models.pyi
@@ -4,12 +4,12 @@ from typing import List, Set
 from sqlalchemy import Column
 from sqlalchemy.orm import relationship
 from sqlalchemy_utils import PhoneNumber
+from teal import enums
 
 from ereuse_devicehub.resources.event.models import Event, Trade
 from ereuse_devicehub.resources.models import Thing
 from ereuse_devicehub.resources.tag.model import Tag
 from ereuse_devicehub.resources.user import User
-from teal import enums
 
 
 class Agent(Thing):
@@ -40,7 +40,7 @@ class Organization(Agent):
     def __init__(self, name: str, **kwargs):
         super().__init__(**kwargs)
         self.members = ...  # type: Set[Membership]
-        self.tags = ... # type: Set[Tag]
+        self.tags = ...  # type: Set[Tag]
 
     @classmethod
     def get_default_org_id(cls) -> uuid.UUID:
diff --git a/ereuse_devicehub/resources/agent/schemas.py b/ereuse_devicehub/resources/agent/schemas.py
index 3e4736c7..6b5d1365 100644
--- a/ereuse_devicehub/resources/agent/schemas.py
+++ b/ereuse_devicehub/resources/agent/schemas.py
@@ -1,11 +1,11 @@
 from marshmallow import fields as ma_fields, validate as ma_validate
 from marshmallow.fields import Email
+from teal import enums
+from teal.marshmallow import EnumField, Phone
 
 from ereuse_devicehub.marshmallow import NestedOn
 from ereuse_devicehub.resources.models import STR_SIZE, STR_SM_SIZE
 from ereuse_devicehub.resources.schemas import Thing
-from teal import enums
-from teal.marshmallow import EnumField, Phone
 
 
 class Agent(Thing):
diff --git a/ereuse_devicehub/resources/device/__init__.py b/ereuse_devicehub/resources/device/__init__.py
index 4c4d6e12..497fd0b3 100644
--- a/ereuse_devicehub/resources/device/__init__.py
+++ b/ereuse_devicehub/resources/device/__init__.py
@@ -1,6 +1,7 @@
+from teal.resource import Converters, Resource
+
 from ereuse_devicehub.resources.device import schemas
 from ereuse_devicehub.resources.device.views import DeviceView
-from teal.resource import Converters, Resource
 
 
 class DeviceDef(Resource):
diff --git a/ereuse_devicehub/resources/device/models.py b/ereuse_devicehub/resources/device/models.py
index 9e280b99..644ddf1b 100644
--- a/ereuse_devicehub/resources/device/models.py
+++ b/ereuse_devicehub/resources/device/models.py
@@ -3,6 +3,7 @@ from itertools import chain
 from operator import attrgetter
 from typing import Dict, Set
 
+from ereuse_utils.naming import Naming
 from sqlalchemy import BigInteger, Boolean, Column, Enum as DBEnum, Float, ForeignKey, Integer, \
     Sequence, SmallInteger, Unicode, inspect
 from sqlalchemy.ext.declarative import declared_attr
@@ -10,13 +11,12 @@ from sqlalchemy.orm import ColumnProperty, backref, relationship, validates
 from sqlalchemy.util import OrderedSet
 from sqlalchemy_utils import ColorType
 from stdnum import imei, meid
+from teal.db import CASCADE, POLYMORPHIC_ID, POLYMORPHIC_ON, ResourceNotFound, check_range
+from teal.marshmallow import ValidationError
 
 from ereuse_devicehub.resources.enums import ComputerChassis, DataStorageInterface, DisplayTech, \
     RamFormat, RamInterface
 from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE, STR_SM_SIZE, Thing
-from ereuse_utils.naming import Naming
-from teal.db import CASCADE, POLYMORPHIC_ID, POLYMORPHIC_ON, ResourceNotFound, check_range
-from teal.marshmallow import ValidationError
 
 
 class Device(Thing):
diff --git a/ereuse_devicehub/resources/device/models.pyi b/ereuse_devicehub/resources/device/models.pyi
index 3efe9e6c..6d86d728 100644
--- a/ereuse_devicehub/resources/device/models.pyi
+++ b/ereuse_devicehub/resources/device/models.pyi
@@ -26,7 +26,7 @@ class Device(Thing):
     height = ...  # type: Column
     depth = ...  # type: Column
     color = ...  # type: Column
-    parents = ... # type: relationship
+    parents = ...  # type: relationship
 
     def __init__(self, **kwargs) -> None:
         super().__init__(**kwargs)
@@ -47,7 +47,7 @@ class Device(Thing):
         self.events_one = ...  # type: Set[EventWithOneDevice]
         self.images = ...  # type: ImageList
         self.tags = ...  # type: Set[Tag]
-        self.parents = ... # type: Set[Lot]
+        self.parents = ...  # type: Set[Lot]
 
 
 class DisplayMixin:
diff --git a/ereuse_devicehub/resources/device/schemas.py b/ereuse_devicehub/resources/device/schemas.py
index 79e0f28f..f7eab413 100644
--- a/ereuse_devicehub/resources/device/schemas.py
+++ b/ereuse_devicehub/resources/device/schemas.py
@@ -3,6 +3,7 @@ from marshmallow.fields import Boolean, Float, Integer, Str
 from marshmallow.validate import Length, OneOf, Range
 from sqlalchemy.util import OrderedSet
 from stdnum import imei, meid
+from teal.marshmallow import EnumField, ValidationError
 
 from ereuse_devicehub.marshmallow import NestedOn
 from ereuse_devicehub.resources.device import models as m
@@ -10,7 +11,6 @@ from ereuse_devicehub.resources.enums import ComputerChassis, DataStorageInterfa
     RamFormat, RamInterface
 from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE
 from ereuse_devicehub.resources.schemas import Thing, UnitCodes
-from teal.marshmallow import EnumField, ValidationError
 
 
 class Device(Thing):
diff --git a/ereuse_devicehub/resources/device/sync.py b/ereuse_devicehub/resources/device/sync.py
index 223d8c47..c12ff822 100644
--- a/ereuse_devicehub/resources/device/sync.py
+++ b/ereuse_devicehub/resources/device/sync.py
@@ -5,14 +5,14 @@ from typing import Iterable, Set
 from sqlalchemy import inspect
 from sqlalchemy.exc import IntegrityError
 from sqlalchemy.util import OrderedSet
+from teal.db import ResourceNotFound
+from teal.marshmallow import ValidationError
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.device.exceptions import NeedsId
 from ereuse_devicehub.resources.device.models import Component, Computer, Device
 from ereuse_devicehub.resources.event.models import Remove
 from ereuse_devicehub.resources.tag.model import Tag
-from teal.db import ResourceNotFound
-from teal.marshmallow import ValidationError
 
 
 class Sync:
diff --git a/ereuse_devicehub/resources/device/views.py b/ereuse_devicehub/resources/device/views.py
index 645b9fd1..7e6edacd 100644
--- a/ereuse_devicehub/resources/device/views.py
+++ b/ereuse_devicehub/resources/device/views.py
@@ -1,6 +1,7 @@
-from ereuse_devicehub.resources.device.models import Device
 from teal.resource import View
 
+from ereuse_devicehub.resources.device.models import Device
+
 
 class DeviceView(View):
 
diff --git a/ereuse_devicehub/resources/event/__init__.py b/ereuse_devicehub/resources/event/__init__.py
index 4d092541..75ffe1ef 100644
--- a/ereuse_devicehub/resources/event/__init__.py
+++ b/ereuse_devicehub/resources/event/__init__.py
@@ -1,9 +1,10 @@
 from typing import Callable, Iterable, Tuple
 
+from teal.resource import Converters, Resource
+
 from ereuse_devicehub.resources.device.sync import Sync
 from ereuse_devicehub.resources.event import schemas
 from ereuse_devicehub.resources.event.views import EventView, SnapshotView
-from teal.resource import Converters, Resource
 
 
 class EventDef(Resource):
diff --git a/ereuse_devicehub/resources/event/models.pyi b/ereuse_devicehub/resources/event/models.pyi
index 57413512..070ef28c 100644
--- a/ereuse_devicehub/resources/event/models.pyi
+++ b/ereuse_devicehub/resources/event/models.pyi
@@ -9,6 +9,9 @@ from boltons.urlutils import URL
 from sqlalchemy import Column
 from sqlalchemy.orm import relationship
 from sqlalchemy_utils import Currency
+from teal import enums
+from teal.db import Model
+from teal.enums import Country
 
 from ereuse_devicehub.resources.agent.models import Agent
 from ereuse_devicehub.resources.device.models import Component, Computer, Device
@@ -18,9 +21,6 @@ from ereuse_devicehub.resources.enums import AppearanceRange, Bios, Functionalit
 from ereuse_devicehub.resources.image.models import Image
 from ereuse_devicehub.resources.models import Thing
 from ereuse_devicehub.resources.user.models import User
-from teal import enums
-from teal.db import Model
-from teal.enums import Country
 
 
 class Event(Thing):
diff --git a/ereuse_devicehub/resources/event/schemas.py b/ereuse_devicehub/resources/event/schemas.py
index b5080b15..1063565c 100644
--- a/ereuse_devicehub/resources/event/schemas.py
+++ b/ereuse_devicehub/resources/event/schemas.py
@@ -6,6 +6,9 @@ from marshmallow.fields import Boolean, DateTime, Decimal, Float, Integer, List,
     TimeDelta, URL, UUID
 from marshmallow.validate import Length, Range
 from sqlalchemy.util import OrderedSet
+from teal.enums import Country, Currency, Subdivision
+from teal.marshmallow import EnumField, IP, Version
+from teal.resource import Schema
 
 from ereuse_devicehub.marshmallow import NestedOn
 from ereuse_devicehub.resources.agent.schemas import Agent
@@ -17,9 +20,6 @@ from ereuse_devicehub.resources.event import models as m
 from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE
 from ereuse_devicehub.resources.schemas import Thing
 from ereuse_devicehub.resources.user.schemas import User
-from teal.enums import Country, Currency, Subdivision
-from teal.marshmallow import EnumField, IP, Version
-from teal.resource import Schema
 
 
 class Event(Thing):
diff --git a/ereuse_devicehub/resources/image/models.py b/ereuse_devicehub/resources/image/models.py
index 5c45f9ea..08f5591a 100644
--- a/ereuse_devicehub/resources/image/models.py
+++ b/ereuse_devicehub/resources/image/models.py
@@ -4,12 +4,12 @@ from sqlalchemy import BigInteger, Column, Enum as DBEnum, ForeignKey, Unicode
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.orm import backref, relationship
 from sqlalchemy.util import OrderedSet
+from teal.db import CASCADE_OWN
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.device.models import Device
 from ereuse_devicehub.resources.enums import ImageMimeTypes, Orientation
 from ereuse_devicehub.resources.models import STR_BIG_SIZE, Thing
-from teal.db import CASCADE_OWN
 
 
 class ImageList(Thing):
diff --git a/ereuse_devicehub/resources/inventory.py b/ereuse_devicehub/resources/inventory.py
index 10171804..e3977cf9 100644
--- a/ereuse_devicehub/resources/inventory.py
+++ b/ereuse_devicehub/resources/inventory.py
@@ -4,14 +4,14 @@ from marshmallow import Schema as MarshmallowSchema
 from marshmallow.fields import Float, Integer, Nested, Str
 from marshmallow.validate import Range
 from sqlalchemy import Column
+from teal.query import Between, FullTextSearch, ILike, Join, Or, Query, Sort, SortField
+from teal.resource import Resource, View
 
 from ereuse_devicehub.resources.device.models import Device
 from ereuse_devicehub.resources.event.models import Rate
 from ereuse_devicehub.resources.lot.models import Lot
 from ereuse_devicehub.resources.schemas import Thing
 from ereuse_devicehub.resources.tag import Tag
-from teal.query import Between, FullTextSearch, ILike, Join, Or, Query, Sort, SortField
-from teal.resource import Resource, View
 
 
 class Inventory(Thing):
diff --git a/ereuse_devicehub/resources/lot/__init__.py b/ereuse_devicehub/resources/lot/__init__.py
index cd69c849..176ed4d5 100644
--- a/ereuse_devicehub/resources/lot/__init__.py
+++ b/ereuse_devicehub/resources/lot/__init__.py
@@ -1,9 +1,10 @@
 import pathlib
 
+from teal.resource import Converters, Resource
+
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.lot import schemas
 from ereuse_devicehub.resources.lot.views import LotView
-from teal.resource import Converters, Resource
 
 
 class LotDef(Resource):
diff --git a/ereuse_devicehub/resources/lot/models.pyi b/ereuse_devicehub/resources/lot/models.pyi
index b8f60afe..21aa00b3 100644
--- a/ereuse_devicehub/resources/lot/models.pyi
+++ b/ereuse_devicehub/resources/lot/models.pyi
@@ -15,7 +15,7 @@ class Lot(Thing):
     name = ...  # type: Column
     closed = ...  # type: Column
     devices = ...  # type: relationship
-    paths = ... # type: relationship
+    paths = ...  # type: relationship
 
     def __init__(self, name: str, closed: bool = closed.default.arg) -> None:
         super().__init__()
diff --git a/ereuse_devicehub/resources/lot/views.py b/ereuse_devicehub/resources/lot/views.py
index e2a8dcaf..f6ebfb9f 100644
--- a/ereuse_devicehub/resources/lot/views.py
+++ b/ereuse_devicehub/resources/lot/views.py
@@ -1,10 +1,10 @@
 import uuid
 
 from flask import current_app as app, request
+from teal.resource import View
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.lot.models import Lot
-from teal.resource import View
 
 
 class LotView(View):
diff --git a/ereuse_devicehub/resources/schemas.py b/ereuse_devicehub/resources/schemas.py
index ee658d3c..31601d18 100644
--- a/ereuse_devicehub/resources/schemas.py
+++ b/ereuse_devicehub/resources/schemas.py
@@ -2,9 +2,9 @@ from enum import Enum
 
 from marshmallow import post_load
 from marshmallow.fields import DateTime, List, String, URL
+from teal.resource import Schema
 
 from ereuse_devicehub.resources import models as m
-from teal.resource import Schema
 
 
 class UnitCodes(Enum):
diff --git a/ereuse_devicehub/resources/tag/__init__.py b/ereuse_devicehub/resources/tag/__init__.py
index 8f5e3e0f..e6935d72 100644
--- a/ereuse_devicehub/resources/tag/__init__.py
+++ b/ereuse_devicehub/resources/tag/__init__.py
@@ -1,13 +1,13 @@
 from typing import Tuple
 
 from click import argument, option
+from teal.resource import Resource
+from teal.teal import Teal
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.tag import schema
 from ereuse_devicehub.resources.tag.model import Tag
 from ereuse_devicehub.resources.tag.view import TagView, get_device_from_tag
-from teal.resource import Resource
-from teal.teal import Teal
 
 
 class TagDef(Resource):
diff --git a/ereuse_devicehub/resources/tag/model.py b/ereuse_devicehub/resources/tag/model.py
index 1bb01364..a810f3fc 100644
--- a/ereuse_devicehub/resources/tag/model.py
+++ b/ereuse_devicehub/resources/tag/model.py
@@ -1,12 +1,12 @@
 from sqlalchemy import BigInteger, Column, ForeignKey, Unicode, UniqueConstraint
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.orm import backref, relationship, validates
+from teal.db import DB_CASCADE_SET_NULL, URL
+from teal.marshmallow import ValidationError
 
 from ereuse_devicehub.resources.agent.models import Organization
 from ereuse_devicehub.resources.device.models import Device
 from ereuse_devicehub.resources.models import Thing
-from teal.db import DB_CASCADE_SET_NULL, URL
-from teal.marshmallow import ValidationError
 
 
 class Tag(Thing):
diff --git a/ereuse_devicehub/resources/tag/schema.py b/ereuse_devicehub/resources/tag/schema.py
index 00ca28eb..356f4d7b 100644
--- a/ereuse_devicehub/resources/tag/schema.py
+++ b/ereuse_devicehub/resources/tag/schema.py
@@ -1,9 +1,9 @@
 from marshmallow.fields import String
+from teal.marshmallow import URL
 
 from ereuse_devicehub.marshmallow import NestedOn
 from ereuse_devicehub.resources.device.schemas import Device
 from ereuse_devicehub.resources.schemas import Thing
-from teal.marshmallow import URL
 
 
 class Tag(Thing):
diff --git a/ereuse_devicehub/resources/tag/view.py b/ereuse_devicehub/resources/tag/view.py
index 03b9cb89..55f823fb 100644
--- a/ereuse_devicehub/resources/tag/view.py
+++ b/ereuse_devicehub/resources/tag/view.py
@@ -1,11 +1,11 @@
 from flask import Response, current_app as app, request
 from marshmallow.fields import List, String, URL
+from teal.marshmallow import ValidationError
+from teal.resource import Schema, View
 from webargs.flaskparser import parser
 
 from ereuse_devicehub.resources.device.models import Device
 from ereuse_devicehub.resources.tag import Tag
-from teal.marshmallow import ValidationError
-from teal.resource import Schema, View
 
 
 class TagView(View):
diff --git a/ereuse_devicehub/resources/user/__init__.py b/ereuse_devicehub/resources/user/__init__.py
index b22d52ce..9a980faa 100644
--- a/ereuse_devicehub/resources/user/__init__.py
+++ b/ereuse_devicehub/resources/user/__init__.py
@@ -1,10 +1,10 @@
 from click import argument, option
+from teal.resource import Converters, Resource
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.resources.user import schemas
 from ereuse_devicehub.resources.user.models import User
 from ereuse_devicehub.resources.user.views import UserView, login
-from teal.resource import Converters, Resource
 
 
 class UserDef(Resource):
diff --git a/ereuse_devicehub/resources/user/views.py b/ereuse_devicehub/resources/user/views.py
index 6369a9b1..7053eea7 100644
--- a/ereuse_devicehub/resources/user/views.py
+++ b/ereuse_devicehub/resources/user/views.py
@@ -1,11 +1,11 @@
 from uuid import UUID
 
 from flask import g, request
+from teal.resource import View
 
 from ereuse_devicehub.resources.user.exceptions import WrongCredentials
 from ereuse_devicehub.resources.user.models import User
 from ereuse_devicehub.resources.user.schemas import User as UserS
-from teal.resource import View
 
 
 class UserView(View):