Проблема с Django на Ubuntu

class TimingMiddleware(MiddlewareMixin):
    def process_request(self, request):
        request.start_time = datetime.now().strftime("%d-%m-%Y %H:%M:%S")
        print(f"[Middleware Start][⏱️] {datetime.now().strftime('%d-%m-%Y %H:%M:%S')}")
        start_time = time.time()
        connection.ensure_connection()
        end_time = time.time()
        print(f"[Database Connection][⏱️] {end_time - start_time} seconds")
 
    def process_view(self, request, view_func, view_args, view_kwargs):
        view_time = datetime.now().strftime("%d-%m-%Y %H:%M:%S")
        print(f"[URL Routing Completed][⏱️] start {request.start_time} -> finish {view_time}")
        request.view_start_time = view_time
 
    def process_response(self, request, response):
        if hasattr(request, 'view_start_time'):
            response_time = datetime.now().strftime("%d-%m-%Y %H:%M:%S")
            print(f"[View Execution][⏱️] start {request.view_start_time} -> finish {response_time}")
        if hasattr(request, 'start_time'):
            total_time = datetime.now().strftime("%d-%m-%Y %H:%M:%S")
            print(f"[Total Request Time][⏱️] start {request.start_time} -> finish {total_time}")
        return response

class AdminPanelDBRouter:
 
    def db_for_read(self, model, **hints):
        print(f"[❗️][...][db_for_read][⏱️] point > {datetime.now().strftime('%d-%m.%Y %H:%M:%S')}")
        print(f"\n    [...] {model} -> {model._meta.app_label}")
        print(f"    [...] hints: {hints}\n")
 
        if model._meta.app_label == 'AdminPanel':
            return 'adminDB'
        else:
            start_time = time.time()
            db_name = get_database_name_from_subdomain()
            end_time = time.time()
            print(f"[Time for get_database_name_from_subdomain][⏱️] {end_time - start_time} seconds")
        return db_name

DATABASE_ROUTERS = ['django_project.routers.AdminPanelDBRouter']