add generation_pdf pdf , fix 500 error , install reportlab

core/apps/tasks/views/task.py

@@ -1,9 +1,7 @@
 from django.db import transaction
-
-from rest_framework import permissions, generics
-from rest_framework.response import Response
-
 from drf_spectacular.utils import extend_schema
+from rest_framework import permissions, generics, status
+from rest_framework.response import Response
 
 from core.apps.tasks.models.task import Task
 from core.apps.tasks.serializers.task import TaskSerializer, TaskCreateSerializer
@@ -18,7 +16,8 @@ class TaskCreateView(generics.GenericAPIView):
     @transaction.atomic
     def post(self, request):
         serializer = self.get_serializer(data=request.data)
-        serializer.is_valid(raise_exception=True)
+        if not serializer.is_valid(raise_exception=True):
+            return Response(serializer.validated_data, status=status.HTTP_400_BAD_REQUEST)
         serializer.save()
         return Response(serializer.data)