chore: Clean up imports (#27302)
* chore: Added isort to pre-commit config
* chore: Sort imports with isort
* chore: Clean up imports with pycln
* chore: Sort imports with isort
* chore: Fix import issues
* chore: Clean up sider issues
* chore: Remove import errors from flake8 ignore list
* chore: Clean up lint issues
diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index 9f6d0a8..aeb06e9 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -2,13 +2,17 @@
# License: GNU General Public License v3. See license.txt
from __future__ import unicode_literals
-import frappe, erpnext
-from frappe import _
-import json
-from frappe.utils import flt, cstr, nowdate, nowtime, get_link_to_form
+import json
+
+import frappe
+from frappe import _
+from frappe.utils import cstr, flt, get_link_to_form, nowdate, nowtime
from six import string_types
+import erpnext
+
+
class InvalidWarehouseCompany(frappe.ValidationError): pass
def get_stock_value_from_bin(warehouse=None, item_code=None):