Revert "Django 2.2(.6) upgrade"

This reverts commit 8cae425ac9

db/base/migrations/0001_initial.py

@@ -54,7 +54,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='Suggestion',
             fields=[
-                ('transmitter_ptr', models.OneToOneField(parent_link=True, on_delete=django.db.models.deletion.CASCADE, auto_created=True, primary_key=True, serialize=False, to='base.Transmitter')),
+                ('transmitter_ptr', models.OneToOneField(parent_link=True, auto_created=True, primary_key=True, serialize=False, to='base.Transmitter')),
                 ('citation', models.CharField(max_length=255, blank=True)),
             ],
             bases=('base.transmitter',),
@@ -67,7 +67,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='transmitter',
             name='satellite',
-            field=models.ForeignKey(related_name='transmitters', on_delete=django.db.models.deletion.SET_NULL, to='base.Satellite', null=True),
+            field=models.ForeignKey(related_name='transmitters', to='base.Satellite', null=True),
         ),
         migrations.AddField(
             model_name='suggestion',

requirements.txt

@@ -10,7 +10,7 @@ certifi==2019.9.11
 chardet==3.0.4
 defusedxml==0.6.0
 dj-database-url==0.5.0
-Django==2.2.6
+Django==1.11.25
 django-allauth==0.40.0
 django-appconf==1.0.3
 django-avatar==4.1.0
@@ -48,7 +48,7 @@ python3-openid==3.1.0
 pytz==2019.3
 PyYAML==5.1.2
 rcssmin==1.0.6
-redis==3.3.9
+redis==3.3.8
 requests==2.22.0
 requests-oauthlib==1.2.0
 rjsmin==1.1.0

setup.cfg

@@ -24,7 +24,7 @@ packages = find:
 include_package_data = True
 install_requires =
     # Basic
-    Django~=2.2.0
+    Django~=1.11.0
     django-shortuuidfield~=0.1.0
     django-jsonfield~=1.3.0
     celery~=4.3.0