Merge pull request #24801 from ankush/dont_update_pe_title

fix: do not update PE title during data import
diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.json b/erpnext/accounts/doctype/payment_entry/payment_entry.json
index 2e1f201..328584a 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.json
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.json
@@ -536,7 +536,8 @@
    "fieldtype": "Data",
    "hidden": 1,
    "label": "Title",
-   "print_hide": 1
+   "print_hide": 1,
+   "read_only": 1
   },
   {
    "depends_on": "party",
@@ -588,7 +589,7 @@
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2020-10-30 13:56:20.007336",
+ "modified": "2021-03-08 13:05:16.958866",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Payment Entry",
@@ -632,4 +633,4 @@
  "sort_order": "DESC",
  "title_field": "title",
  "track_changes": 1
-}
\ No newline at end of file
+}
diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.py b/erpnext/accounts/doctype/payment_entry/payment_entry.py
index 31a4c8a..61858b3 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.py
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.py
@@ -455,6 +455,10 @@
 					.format(total_negative_outstanding), InvalidPaymentEntry)
 
 	def set_title(self):
+		if frappe.flags.in_import and self.title:
+			# do not set title dynamically if title exists during data import.
+			return
+
 		if self.payment_type in ("Receive", "Pay"):
 			self.title = self.party
 		else:
@@ -996,7 +1000,7 @@
 			total_amount = flt(ref_doc.total_sanctioned_amount) + flt(ref_doc.total_taxes_and_charges)
 	elif ref_doc.doctype == "Employee Advance":
 		total_amount, exchange_rate = get_total_amount_exchange_rate_for_employee_advance(party_account_currency, ref_doc)
-		
+
 	if not total_amount:
 		total_amount, exchange_rate = get_total_amount_exchange_rate_base_on_currency(
 			party_account_currency, company_currency, ref_doc)
@@ -1326,4 +1330,4 @@
 
 	}, target_doc, set_missing_values)
 
-	return doclist
\ No newline at end of file
+	return doclist