Cleaning

Don't override the Admin view __init__ method for consistency.
Avoid having to import models in admin/views.py

app/admin/views.py

@@ -13,7 +13,7 @@ from wtforms import validators, fields
 from flask_admin.contrib import sqla
 from flask_admin.model.form import converts
 from flask_login import current_user
-from ..models import Item, User, Group, ICS_ID_RE
+from ..models import ICS_ID_RE
 
 
 # Add custom model converter for CIText type
@@ -37,18 +37,12 @@ class GroupAdmin(AdminModelView):
     can_edit = False
     can_delete = False
 
-    def __init__(self, session):
-        super().__init__(Group, session)
-
 
 class UserAdmin(AdminModelView):
     can_create = False
     can_edit = False
     can_delete = False
 
-    def __init__(self, session):
-        super().__init__(User, session)
-
 
 class QRCodeAdmin(AdminModelView):
 
@@ -66,6 +60,3 @@ class ItemAdmin(AdminModelView):
             'validators': [validators.Regexp(ICS_ID_RE, message='ICS id shall match [A-Z]{3}[0-9]{3}')]
         }
     }
-
-    def __init__(self, session):
-        super().__init__(Item, session)

app/factory.py

@@ -12,9 +12,8 @@ Create the WSGI application.
 import sqlalchemy as sa
 from flask import Flask
 from whitenoise import WhiteNoise
-from . import settings
+from . import settings, models
 from .extensions import db, migrate, login_manager, ldap_manager, bootstrap, admin, mail, jwt, toolbar
-from .models import Action, Manufacturer, Model, Location, Status, Network, Host, Mac
 from .admin.views import AdminModelView, ItemAdmin, UserAdmin, GroupAdmin, QRCodeAdmin
 from .main.views import bp as main
 from .users.views import bp as users
@@ -93,17 +92,17 @@ def create_app(config=None):
     toolbar.init_app(app)
 
     admin.init_app(app)
-    admin.add_view(GroupAdmin(db.session))
-    admin.add_view(UserAdmin(db.session))
-    admin.add_view(QRCodeAdmin(Action, db.session))
-    admin.add_view(QRCodeAdmin(Manufacturer, db.session))
-    admin.add_view(QRCodeAdmin(Model, db.session))
-    admin.add_view(QRCodeAdmin(Location, db.session))
-    admin.add_view(QRCodeAdmin(Status, db.session))
-    admin.add_view(ItemAdmin(db.session))
-    admin.add_view(AdminModelView(Network, db.session))
-    admin.add_view(AdminModelView(Host, db.session))
-    admin.add_view(AdminModelView(Mac, db.session))
+    admin.add_view(GroupAdmin(models.Group, db.session))
+    admin.add_view(UserAdmin(models.User, db.session))
+    admin.add_view(QRCodeAdmin(models.Action, db.session))
+    admin.add_view(QRCodeAdmin(models.Manufacturer, db.session))
+    admin.add_view(QRCodeAdmin(models.Model, db.session))
+    admin.add_view(QRCodeAdmin(models.Location, db.session))
+    admin.add_view(QRCodeAdmin(models.Status, db.session))
+    admin.add_view(ItemAdmin(models.Item, db.session))
+    admin.add_view(AdminModelView(models.Network, db.session))
+    admin.add_view(AdminModelView(models.Host, db.session))
+    admin.add_view(AdminModelView(models.Mac, db.session))
 
     app.register_blueprint(main)
     app.register_blueprint(users)