Is there anyway that we can override and existing JSON

Hi Everyone,
I have found an issue in Purchase Order Item JSON

{
 "allow_copy": 0, 
 "allow_import": 0, 
 "allow_rename": 0, 
 "autoname": "hash", 
 "creation": "2013-05-24 19:29:06", 
 "custom": 0, 
 "docstatus": 0, 
 "doctype": "DocType", 
 "document_type": "Document", 
 "fields": [
  {
   "allow_on_submit": 0, 
   "bold": 1, 
   "collapsible": 0, 
   "fieldname": "item_code", 
   "fieldtype": "Link", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 1, 
   "in_list_view": 1, 
   "label": "Item Code", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "item_code", 
   "oldfieldtype": "Link", 
   "options": "Item", 
   "permlevel": 0, 
   "print_hide": 0, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 1, 
   "search_index": 1, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "description": "", 
   "fieldname": "supplier_part_no", 
   "fieldtype": "Data", 
   "hidden": 1, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Supplier Part Number", 
   "length": 0, 
   "no_copy": 0, 
   "permlevel": 0, 
   "print_hide": 1, 
   "print_hide_if_no_value": 0, 
   "read_only": 1, 
   "report_hide": 0, 
   "reqd": 0, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "item_name", 
   "fieldtype": "Data", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 1, 
   "in_list_view": 1, 
   "label": "Item Name", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "item_name", 
   "oldfieldtype": "Data", 
   "permlevel": 0, 
   "print_hide": 1, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 1, 
   "search_index": 1, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "column_break_4", 
   "fieldtype": "Column Break", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "length": 0, 
   "no_copy": 0, 
   "permlevel": 0, 
   "precision": "", 
   "print_hide": 0, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 0, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 1, 
   "collapsible": 0, 
   "fieldname": "schedule_date", 
   "fieldtype": "Date", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 1, 
   "in_list_view": 0, 
   "label": "Reqd By Date", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "schedule_date", 
   "oldfieldtype": "Date", 
   "permlevel": 0, 
   "print_hide": 1, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 1, 
   "search_index": 1, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 1, 
   "fieldname": "section_break_5", 
   "fieldtype": "Section Break", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Description", 
   "length": 0, 
   "no_copy": 0, 
   "permlevel": 0, 
   "precision": "", 
   "print_hide": 0, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 0, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "description", 
   "fieldtype": "Text Editor", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Description", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "description", 
   "oldfieldtype": "Small Text", 
   "permlevel": 0, 
   "print_hide": 0, 
   "print_hide_if_no_value": 0, 
   "print_width": "300px", 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 1, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0, 
   "width": "300px"
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "col_break1", 
   "fieldtype": "Column Break", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "length": 0, 
   "no_copy": 0, 
   "permlevel": 0, 
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   "reqd": 0, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "image", 
   "fieldtype": "Attach", 
   "hidden": 1, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Image", 
   "length": 0, 
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   "permlevel": 0, 
   "precision": "", 
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   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "image_view", 
   "fieldtype": "Image", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Image View", 
   "length": 0, 
   "no_copy": 0, 
   "options": "image", 
   "permlevel": 0, 
   "precision": "", 
   "print_hide": 1, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 0, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "quantity_and_rate", 
   "fieldtype": "Section Break", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Quantity and Rate", 
   "length": 0, 
   "no_copy": 0, 
   "permlevel": 0, 
   "print_hide": 0, 
   "print_hide_if_no_value": 0, 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 0, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 1, 
   "collapsible": 0, 
   "fieldname": "qty", 
   "fieldtype": "Float", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 1, 
   "label": "Quantity", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "qty", 
   "oldfieldtype": "Currency", 
   "permlevel": 0, 
   "print_hide": 0, 
   "print_hide_if_no_value": 0, 
   "print_width": "60px", 
   "read_only": 0, 
   "report_hide": 0, 
   "reqd": 1, 
   "search_index": 0, 
   "set_only_once": 0, 
   "unique": 0, 
   "width": "60px"
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "stock_uom", 
   "fieldtype": "Link", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 1, 
   "label": "Stock UOM", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "stock_uom", 
   "oldfieldtype": "Data", 
   "options": "UOM", 
   "permlevel": 0, 
   "print_hide": 1, 
   "print_hide_if_no_value": 0, 
   "print_width": "100px", 
   "read_only": 1, 
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   "search_index": 0, 
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   "width": "100px"
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "col_break2", 
   "fieldtype": "Column Break", 
   "hidden": 0, 
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "uom", 
   "fieldtype": "Link", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
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   "label": "UOM", 
   "length": 0, 
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   "oldfieldname": "uom", 
   "oldfieldtype": "Link", 
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   "width": "100px"
  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "conversion_factor", 
   "fieldtype": "Float", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "UOM Conversion Factor", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "conversion_factor", 
   "oldfieldtype": "Currency", 
   "permlevel": 0, 
   "print_hide": 1, 
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   "width": "100px"
  }, 
  {
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   "fieldname": "sec_break1", 
   "fieldtype": "Section Break", 
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  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "fieldname": "price_list_rate", 
   "fieldtype": "Currency", 
   "hidden": 0, 
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   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Price List Rate", 
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  }, 
  {
   "allow_on_submit": 0, 
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   "collapsible": 0, 
   "depends_on": "price_list_rate", 
   "fieldname": "discount_percentage", 
   "fieldtype": "Percent", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 1, 
   "label": "Discount on Price List Rate (%)", 
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  }, 
  {
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "base_price_list_rate", 
   "fieldtype": "Currency", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Price List Rate (Company Currency)", 
   "length": 0, 
   "no_copy": 0, 
   "options": "Company:company:default_currency", 
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  }, 
  {
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldtype": "Currency", 
   "hidden": 0, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 1, 
   "label": "Rate ", 
   "length": 0, 
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   "oldfieldname": "import_rate", 
   "oldfieldtype": "Currency", 
   "options": "currency", 
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "amount", 
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   "ignore_user_permissions": 0, 
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   "in_filter": 0, 
   "in_list_view": 1, 
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  }, 
  {
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   "fieldtype": "Column Break", 
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  }, 
  {
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   "in_list_view": 0, 
   "label": "Rate (Company Currency)", 
   "length": 0, 
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   "oldfieldtype": "Currency", 
   "options": "Company:company:default_currency", 
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   "width": "100px"
  }, 
  {
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  }, 
  {
   "allow_on_submit": 0, 
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   "label": "Pricing Rule", 
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  }, 
  {
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "net_rate", 
   "fieldtype": "Currency", 
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   "in_list_view": 0, 
   "label": "Net Rate", 
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "net_amount", 
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   "hidden": 0, 
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   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Net Amount", 
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "column_break_32", 
   "fieldtype": "Column Break", 
   "hidden": 0, 
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  {
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   "ignore_user_permissions": 0, 
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  {
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   "precision": "", 
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   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Qty as per Stock UOM", 
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   "no_copy": 1, 
   "oldfieldname": "stock_qty", 
   "oldfieldtype": "Currency", 
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   "print_hide": 1, 
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   "oldfieldtype": "Currency", 
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   "depends_on": "returned_qty", 
   "fieldname": "returned_qty", 
   "fieldtype": "Float", 
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   "label": "Returned Qty", 
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  }, 
  {
   "allow_on_submit": 0, 
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   "fieldname": "billed_amt", 
   "fieldtype": "Currency", 
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   "in_filter": 0, 
   "in_list_view": 0, 
   "label": "Billed Amt", 
   "length": 0, 
   "no_copy": 1, 
   "options": "currency", 
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  }, 
  {
   "allow_on_submit": 0, 
   "bold": 0, 
   "collapsible": 0, 
   "description": "Tax detail table fetched from item master as a string and stored in this field.\nUsed for Taxes and Charges", 
   "fieldname": "item_tax_rate", 
   "fieldtype": "Code", 
   "hidden": 1, 
   "ignore_user_permissions": 0, 
   "ignore_xss_filter": 0, 
   "in_filter": 0, 
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   "label": "Item Tax Rate", 
   "length": 0, 
   "no_copy": 0, 
   "oldfieldname": "item_tax_rate", 
   "oldfieldtype": "Small Text", 
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   "print_hide": 1, 
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  }, 
  {
   "allow_on_submit": 1, 
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   "collapsible": 0, 
   "fieldname": "page_break", 
   "fieldtype": "Check", 
   "hidden": 0, 
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   "in_list_view": 0, 
   "label": "Page Break", 
   "length": 0, 
   "no_copy": 1, 
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   "oldfieldtype": "Check", 
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  }
 ], 
 "hide_heading": 0, 
 "hide_toolbar": 0, 
 "idx": 1, 
 "in_create": 0, 
 "in_dialog": 0, 
 "is_submittable": 0, 
 "issingle": 0, 
 "istable": 1, 
 "max_attachments": 0, 
 "modified": "2016-03-18 05:08:54.505417", 
 "modified_by": "Administrator", 
 "module": "Buying", 
 "name": "Purchase Order Item", 
 "owner": "Administrator", 
 "permissions": [], 
 "read_only": 0, 
 "read_only_onload": 0, 
 "sort_field": "modified", 
 "sort_order": "DESC"
}

supplier_part_no field is
“print_hide”: 1,
“hidden”: 1,

Since it is a source file therefore I cannot change it and I am using a production server therefore, I am not using developer_mode=1.

Is there any other way that I can override this?

Because, I have tried to updated it via customized form but it is not being updated.

Regards
Ruchin Sharma

It will have to be done on doctype, can you raise a github issue to make it visible and also state the use case.