Update workflow job foreign key related_name.

awx/main/access.py

@@ -1555,7 +1555,7 @@ class WorkflowJobTemplateAccess(BaseAccess):
         if not is_delete_allowed:
             return False
         active_jobs = [dict(type="workflow_job", id=o.id)
-                       for o in obj.jobs.filter(status__in=ACTIVE_STATES)]
+                       for o in obj.workflow_jobs.filter(status__in=ACTIVE_STATES)]
         if len(active_jobs) > 0:
             raise StateConflict({"conflict": _("Resource is being used by running jobs"),
                                  "active_jobs": active_jobs})

awx/main/migrations/0051_v310_workflow_job_related_name_modification.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0050_v310_JSONField_changes'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='workflowjob',
+            name='workflow_job_template',
+            field=models.ForeignKey(related_name='workflow_jobs', on_delete=django.db.models.deletion.SET_NULL, default=None, blank=True, to='main.WorkflowJobTemplate', null=True),
+        ),
+    ]

awx/main/models/workflow.py

@@ -422,7 +422,7 @@ class WorkflowJob(UnifiedJob, WorkflowJobOptions, SurveyJobMixin, JobNotificatio
 
     workflow_job_template = models.ForeignKey(
         'WorkflowJobTemplate',
-        related_name='jobs',
+        related_name='workflow_jobs',
         blank=True,
         null=True,
         default=None,