style: format code with black
diff --git a/erpnext/regional/south_africa/setup.py b/erpnext/regional/south_africa/setup.py
index 6af135b..289f272 100644
--- a/erpnext/regional/south_africa/setup.py
+++ b/erpnext/regional/south_africa/setup.py
@@ -6,44 +6,53 @@
 from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
 from frappe.permissions import add_permission, update_permission_property
 
+
 def setup(company=None, patch=True):
 	make_custom_fields()
 	add_permissions()
 
+
 def make_custom_fields(update=True):
-	is_zero_rated = dict(fieldname='is_zero_rated', label='Is Zero Rated',
-		fieldtype='Check', fetch_from='item_code.is_zero_rated',
-		insert_after='description', print_hide=1)
+	is_zero_rated = dict(
+		fieldname="is_zero_rated",
+		label="Is Zero Rated",
+		fieldtype="Check",
+		fetch_from="item_code.is_zero_rated",
+		insert_after="description",
+		print_hide=1,
+	)
 	custom_fields = {
-		'Item': [
-			dict(fieldname='is_zero_rated', label='Is Zero Rated',
-				fieldtype='Check', insert_after='item_group',
-				print_hide=1)
+		"Item": [
+			dict(
+				fieldname="is_zero_rated",
+				label="Is Zero Rated",
+				fieldtype="Check",
+				insert_after="item_group",
+				print_hide=1,
+			)
 		],
-		'Sales Invoice Item': is_zero_rated,
-		'Purchase Invoice Item': is_zero_rated
+		"Sales Invoice Item": is_zero_rated,
+		"Purchase Invoice Item": is_zero_rated,
 	}
 
 	create_custom_fields(custom_fields, update=update)
 
+
 def add_permissions():
 	"""Add Permissions for South Africa VAT Settings and South Africa VAT Account
-		and VAT Audit Report"""
-	for doctype in ('South Africa VAT Settings', 'South Africa VAT Account'):
-		add_permission(doctype, 'All', 0)
-		for role in ('Accounts Manager', 'Accounts User', 'System Manager'):
+	and VAT Audit Report"""
+	for doctype in ("South Africa VAT Settings", "South Africa VAT Account"):
+		add_permission(doctype, "All", 0)
+		for role in ("Accounts Manager", "Accounts User", "System Manager"):
 			add_permission(doctype, role, 0)
-			update_permission_property(doctype, role, 0, 'write', 1)
-			update_permission_property(doctype, role, 0, 'create', 1)
+			update_permission_property(doctype, role, 0, "write", 1)
+			update_permission_property(doctype, role, 0, "create", 1)
 
-
-	if not frappe.db.get_value('Custom Role', dict(report="VAT Audit Report")):
-		frappe.get_doc(dict(
-			doctype='Custom Role',
-			report="VAT Audit Report",
-			roles= [
-				dict(role='Accounts User'),
-				dict(role='Accounts Manager'),
-				dict(role='Auditor')
-			]
-		)).insert()
+	if not frappe.db.get_value("Custom Role", dict(report="VAT Audit Report")):
+		frappe.get_doc(
+			dict(
+				doctype="Custom Role",
+				report="VAT Audit Report",
+				roles=[dict(role="Accounts User"), dict(role="Accounts Manager"), dict(role="Auditor")],
+			)
+		).insert()