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/selling/sales_common.js b/erpnext/selling/sales_common.js
index e440f33..955ef5e 100644
--- a/erpnext/selling/sales_common.js
+++ b/erpnext/selling/sales_common.js
@@ -90,7 +90,7 @@
 
 		this.frm.toggle_display("customer_name",
 			(this.frm.doc.customer_name && this.frm.doc.customer_name!==this.frm.doc.customer));
-		
+
 		this.toggle_editable_price_list_rate();
 	}