fix: make pickup_to and pickup_from mandatory fields
diff --git a/erpnext/stock/doctype/shipment/shipment.json b/erpnext/stock/doctype/shipment/shipment.json
index 76c331c..a33cbc2 100644
--- a/erpnext/stock/doctype/shipment/shipment.json
+++ b/erpnext/stock/doctype/shipment/shipment.json
@@ -275,14 +275,16 @@
    "default": "09:00",
    "fieldname": "pickup_from",
    "fieldtype": "Time",
-   "label": "Pickup from"
+   "label": "Pickup from",
+   "reqd": 1
   },
   {
    "allow_on_submit": 1,
    "default": "17:00",
    "fieldname": "pickup_to",
    "fieldtype": "Time",
-   "label": "Pickup to"
+   "label": "Pickup to",
+   "reqd": 1
   },
   {
    "fieldname": "column_break_36",
@@ -431,7 +433,7 @@
  ],
  "is_submittable": 1,
  "links": [],
- "modified": "2020-12-25 15:02:34.891976",
+ "modified": "2021-04-13 17:14:18.181818",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Shipment",
@@ -469,4 +471,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "track_changes": 1
-}
\ No newline at end of file
+}