PEP 8: Add and remove blank lines for consistency

sickbeard/databases/cache_db.py

@@ -18,6 +18,7 @@
 
 from sickbeard import db
 
+
 # Add new migrations at the bottom of the list; subclass the previous migration.
 class InitialSchema(db.SchemaUpgrade):
     def test(self):
@@ -49,6 +50,7 @@ class AddSceneExceptions(InitialSchema):
         self.connection.action(
             "CREATE TABLE scene_exceptions (exception_id INTEGER PRIMARY KEY, indexer_id INTEGER KEY, show_name TEXT);")
 
+
 class AddSceneNameCache(AddSceneExceptions):
     def test(self):
         return self.hasTable("scene_names")
@@ -64,6 +66,7 @@ class AddNetworkTimezones(AddSceneNameCache):
     def execute(self):
         self.connection.action("CREATE TABLE network_timezones (network_name TEXT PRIMARY KEY, timezone TEXT);")
 
+
 class AddLastSearch(AddNetworkTimezones):
     def test(self):
         return self.hasTable("lastSearch")
@@ -71,6 +74,7 @@ class AddLastSearch(AddNetworkTimezones):
     def execute(self):
         self.connection.action("CREATE TABLE lastSearch (provider TEXT, time NUMERIC);")
 
+
 class AddSceneExceptionsSeasons(AddLastSearch):
     def test(self):
         return self.hasColumn("scene_exceptions", "season")
@@ -78,6 +82,7 @@ class AddSceneExceptionsSeasons(AddLastSearch):
     def execute(self):
         self.addColumn("scene_exceptions", "season", "NUMERIC", -1)
 
+
 class AddSceneExceptionsCustom(AddSceneExceptionsSeasons):
     def test(self):
         return self.hasColumn("scene_exceptions", "custom")
@@ -85,6 +90,7 @@ class AddSceneExceptionsCustom(AddSceneExceptionsSeasons):
     def execute(self):
         self.addColumn("scene_exceptions", "custom", "NUMERIC", 0)
 
+
 class AddSceneExceptionsRefresh(AddSceneExceptionsCustom):
     def test(self):
         return self.hasTable("scene_exceptions_refresh")