diff --git a/erpnext/patches/v13_0/create_gst_custom_fields_in_quotation.py b/erpnext/patches/v13_0/create_gst_custom_fields_in_quotation.py
index 840b8fd830f..3217eab43d6 100644
--- a/erpnext/patches/v13_0/create_gst_custom_fields_in_quotation.py
+++ b/erpnext/patches/v13_0/create_gst_custom_fields_in_quotation.py
@@ -3,27 +3,51 @@ from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
 
 
 def execute():
-	company = frappe.get_all('Company', filters = {'country': 'India'}, fields=['name'])
+	company = frappe.get_all("Company", filters={"country": "India"}, fields=["name"])
 	if not company:
 		return
 
 	sales_invoice_gst_fields = [
-			dict(fieldname='billing_address_gstin', label='Billing Address GSTIN',
-				fieldtype='Data', insert_after='customer_address', read_only=1,
-				fetch_from='customer_address.gstin', print_hide=1, length=15),
-			dict(fieldname='customer_gstin', label='Customer GSTIN',
-				fieldtype='Data', insert_after='shipping_address_name',
-				fetch_from='shipping_address_name.gstin', print_hide=1, length=15),
-			dict(fieldname='place_of_supply', label='Place of Supply',
-				fieldtype='Data', insert_after='customer_gstin',
-				print_hide=1, read_only=1, length=50),
-			dict(fieldname='company_gstin', label='Company GSTIN',
-				fieldtype='Data', insert_after='company_address',
-				fetch_from='company_address.gstin', print_hide=1, read_only=1, length=15),
-		]
+		dict(
+			fieldname="billing_address_gstin",
+			label="Billing Address GSTIN",
+			fieldtype="Data",
+			insert_after="customer_address",
+			read_only=1,
+			fetch_from="customer_address.gstin",
+			print_hide=1,
+			length=15,
+		),
+		dict(
+			fieldname="customer_gstin",
+			label="Customer GSTIN",
+			fieldtype="Data",
+			insert_after="shipping_address_name",
+			fetch_from="shipping_address_name.gstin",
+			print_hide=1,
+			length=15,
+		),
+		dict(
+			fieldname="place_of_supply",
+			label="Place of Supply",
+			fieldtype="Data",
+			insert_after="customer_gstin",
+			print_hide=1,
+			read_only=1,
+			length=50,
+		),
+		dict(
+			fieldname="company_gstin",
+			label="Company GSTIN",
+			fieldtype="Data",
+			insert_after="company_address",
+			fetch_from="company_address.gstin",
+			print_hide=1,
+			read_only=1,
+			length=15,
+		),
+	]
 
-	custom_fields = {
-		'Quotation': sales_invoice_gst_fields
-	}
+	custom_fields = {"Quotation": sales_invoice_gst_fields}
 
-	create_custom_fields(custom_fields, update=True)
\ No newline at end of file
+	create_custom_fields(custom_fields, update=True)