diff --git a/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py b/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py
index fab8d59..fa8a864 100644
--- a/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py
+++ b/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py
@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 import json
+
 import frappe