fix migration chain

cookbook/migrations/0141_keyword_to_tree.py

@@ -1,70 +0,0 @@
-# Generated by Django 3.1.7 on 2021-03-30 19:42
-
-from treebeard.mp_tree import MP_Node
-from django.db import migrations, models
-from django_scopes import scopes_disabled
-# update if needed
-steplen = MP_Node.steplen
-alphabet = MP_Node.alphabet
-node_order_by = ["name"]
-
-
-def update_paths(apps, schema_editor):
-    with scopes_disabled():
-        Node = apps.get_model("cookbook", "Keyword")
-        nodes = Node.objects.all().order_by(*node_order_by)
-        for i, node in enumerate(nodes, 1):
-            # for default values, this resolves to: "{:04d}".format(i)
-            node.path = f"{{:{alphabet[0]}{steplen}d}}".format(i)
-        if nodes:
-            Node.objects.bulk_update(nodes, ["path"])
-
-
-def backwards(apps, schema_editor):
-    """nothing to do"""
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('cookbook', '0140_userpreference_created_at'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='keyword',
-            name='depth',
-            field=models.PositiveIntegerField(default=1),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name='keyword',
-            name='numchild',
-            field=models.PositiveIntegerField(default=0),
-        ),
-        migrations.AddField(
-            model_name='keyword',
-            name='path',
-            field=models.CharField(default="", max_length=255, unique=False),
-            preserve_default=False,
-        ),
-        migrations.AlterField(
-            model_name='userpreference',
-            name='use_fractions',
-            field=models.BooleanField(default=True),
-        ),
-        migrations.RunPython(update_paths, backwards),
-        migrations.AlterField(
-            model_name="keyword",
-            name="path",
-            field=models.CharField(max_length=255, unique=True),
-        ),
-        migrations.AlterUniqueTogether(
-            name='keyword',
-            unique_together=set(),
-        ),
-        migrations.AddConstraint(
-            model_name='keyword',
-            constraint=models.UniqueConstraint(fields=('space', 'name'), name='unique_name_per_space'),
-        ),
-    ]

cookbook/migrations/0143_build_full_text_index.py

@@ -27,7 +27,7 @@ def set_default_search_vector(apps, schema_editor):
 
 class Migration(migrations.Migration):
     dependencies = [
-        ('cookbook', '0141_auto_20210713_1042'),
+        ('cookbook', '0142_alter_userpreference_search_style'),
     ]
     operations = [
         migrations.AddField(

cookbook/migrations/0144_create_searchfields.py

@@ -13,7 +13,7 @@ def create_searchfields(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cookbook', '0142_build_full_text_index'),
+        ('cookbook', '0143_build_full_text_index'),
     ]
 
     operations = [

cookbook/migrations/0145_alter_userpreference_search_style.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cookbook', '0143_create_searchfields'),
+        ('cookbook', '0144_create_searchfields'),
     ]
 
     operations = [

cookbook/migrations/0146_alter_userpreference_use_fractions.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cookbook', '0144_alter_userpreference_search_style'),
+        ('cookbook', '0145_alter_userpreference_search_style'),
     ]
 
     operations = [

cookbook/migrations/0147_keyword_to_tree.py

@@ -27,7 +27,7 @@ def backwards(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cookbook', '0145_alter_userpreference_use_fractions'),
+        ('cookbook', '0146_alter_userpreference_use_fractions'),
     ]
 
     operations = [

cookbook/migrations/0148_auto_20210813_1829.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cookbook', '0146_keyword_to_tree'),
+        ('cookbook', '0147_keyword_to_tree'),
     ]
 
     operations = [

cookbook/migrations/0149_fix_leading_trailing_spaces.py

@@ -23,7 +23,7 @@ def backwards(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cookbook', '0147_auto_20210813_1829'),
+        ('cookbook', '0148_auto_20210813_1829'),
     ]
 
     operations = [