diff --git a/migrations/003_create_recordings_table.py b/migrations/003_create_recordings_table.py
index 82b15eb9c..77f9827cf 100644
--- a/migrations/003_create_recordings_table.py
+++ b/migrations/003_create_recordings_table.py
@@ -20,6 +20,7 @@ Some examples (model - class or model name)::
     > migrator.add_default(model, field_name, default)
 
 """
+
 import peewee as pw
 
 SQL = pw.SQL
diff --git a/migrations/011_update_indexes.py b/migrations/011_update_indexes.py
index ddb0ba9a6..5c13baa54 100644
--- a/migrations/011_update_indexes.py
+++ b/migrations/011_update_indexes.py
@@ -20,6 +20,7 @@ Some examples (model - class or model name)::
     > migrator.add_default(model, field_name, default)
 
 """
+
 import peewee as pw
 
 SQL = pw.SQL
diff --git a/migrations/017_update_indexes.py b/migrations/017_update_indexes.py
index 8aa53f8ee..66d1fcc6a 100644
--- a/migrations/017_update_indexes.py
+++ b/migrations/017_update_indexes.py
@@ -20,6 +20,7 @@ Some examples (model - class or model name)::
     > migrator.add_default(model, field_name, default)
 
 """
+
 import peewee as pw
 
 SQL = pw.SQL
diff --git a/migrations/019_create_regions_table.py b/migrations/019_create_regions_table.py
index e1492581b..2900b78d2 100644
--- a/migrations/019_create_regions_table.py
+++ b/migrations/019_create_regions_table.py
@@ -20,6 +20,7 @@ Some examples (model - class or model name)::
     > migrator.add_default(model, field_name, default)
 
 """
+
 import peewee as pw
 
 SQL = pw.SQL
diff --git a/migrations/020_update_index_recordings.py b/migrations/020_update_index_recordings.py
index 0aa86572d..7d0c2b860 100644
--- a/migrations/020_update_index_recordings.py
+++ b/migrations/020_update_index_recordings.py
@@ -20,6 +20,7 @@ Some examples (model - class or model name)::
     > migrator.add_default(model, field_name, default)
 
 """
+
 import peewee as pw
 
 SQL = pw.SQL
diff --git a/migrations/021_create_previews_table.py b/migrations/021_create_previews_table.py
index 3ad131e0d..1036e7cdd 100644
--- a/migrations/021_create_previews_table.py
+++ b/migrations/021_create_previews_table.py
@@ -20,6 +20,7 @@ Some examples (model - class or model name)::
     > migrator.add_default(model, field_name, default)
 
 """
+
 import peewee as pw
 
 SQL = pw.SQL