fixed active student accounts getting disabled while import

Student accounts will now be enabled by default when in exercise mode

util/importer.py

@@ -2,6 +2,7 @@ import json
 import os
 import readline
 import logging
+import constance
 
 from rest_framework.exceptions import ValidationError
 from util.messages import warn
@@ -12,7 +13,7 @@ from util.factories import GradyUserFactory
 import semver
 
 log = logging.getLogger(__name__)
-
+config = constance.config
 
 WELCOME = r'''
    ______               __         ____                           __
@@ -128,7 +129,8 @@ def parse_and_import_hektor_json(exam_data):
             raise ValidationError(f"Updated submission type: {submission_type['name']}")
 
     for student in exam_data['students']:
-        student_obj = user_factory.make_student(exam=exam, is_active=False,
+        # student accounts will be automatically enabled when in exercise mode
+        student_obj = user_factory.make_student(exam=exam, is_active=config.EXERCISE_MODE,
                                                 **student).student
         for submission_obj in student['submissions']:
             add_submission(student_obj, **submission_obj)