fix: only import during typing

Signed-off-by: Guilhem Barthes <[email protected]>

backend/substrapp/tasks/tasks_compute_task.py

@@ -16,6 +16,7 @@
 import enum
 import errno
 import os
+from typing import TYPE_CHECKING
 from typing import Any
 
 import celery.exceptions
@@ -24,6 +25,9 @@
 from django.conf import settings
 from rest_framework import status
 
+if TYPE_CHECKING:
+    from billiard.einfo import ExceptionInfo
+
 import orchestrator
 from backend.celery import app
 from substrapp.clients import organization as organization_client

backend/substrapp/tasks/tasks_save_image.py

@@ -3,10 +3,14 @@
 import os
 import pathlib
 from tempfile import TemporaryDirectory
+from typing import TYPE_CHECKING
 from typing import Any
 
 import structlog
-from billiard.einfo import ExceptionInfo
+
+if TYPE_CHECKING:
+    from billiard.einfo import ExceptionInfo
+
 from celery import Task
 from django.conf import settings
 from django.core.files import File