patch for renaming project feilds
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 0e0fda9..0665df4 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -143,3 +143,4 @@
 erpnext.patches.v5_0.execute_on_doctype_update
 erpnext.patches.v4_2.fix_recurring_orders
 erpnext.patches.v4_2.delete_gl_entries_for_cancelled_invoices
+erpnext.patches.v5_0.project_costing
diff --git a/erpnext/patches/v5_0/project_costing.py b/erpnext/patches/v5_0/project_costing.py
new file mode 100644
index 0000000..ffeb396
--- /dev/null
+++ b/erpnext/patches/v5_0/project_costing.py
@@ -0,0 +1,6 @@
+import frappe
+
+def execute():
+	frappe.db.sql("update `tabProject` set expected_start_date = project_start_date, \
+		expected_end_date = completion_date, actual_end_date = act_completion_date, \
+		estimated_costing = project_value, gross_margin = gross_margin_value")
\ No newline at end of file