Merge pull request #22175 from Anurag810/expense_claim_cost_center_fix

fix: set cost center in child table
diff --git a/erpnext/hr/desk_page/hr/hr.json b/erpnext/hr/desk_page/hr/hr.json
index 7ac000b..1c24444 100644
--- a/erpnext/hr/desk_page/hr/hr.json
+++ b/erpnext/hr/desk_page/hr/hr.json
@@ -18,7 +18,7 @@
   {
    "hidden": 0,
    "label": "Leaves",
-   "links": "[\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Application\",\n        \"name\": \"Leave Application\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Allocation\",\n        \"name\": \"Leave Allocation\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Leave Type\"\n        ],\n        \"label\": \"Leave Policy\",\n        \"name\": \"Leave Policy\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Period\",\n        \"name\": \"Leave Period\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Leave Type\",\n        \"name\": \"Leave Type\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Holiday List\",\n        \"name\": \"Holiday List\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Compensatory Leave Request\",\n        \"name\": \"Compensatory Leave Request\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Encashment\",\n        \"name\": \"Leave Encashment\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Leave Block List\",\n        \"name\": \"Leave Block List\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Leave Application\"\n        ],\n        \"doctype\": \"Leave Application\",\n        \"is_query_report\": true,\n        \"label\": \"Employee Leave Balance\",\n        \"name\": \"Employee Leave Balance\",\n        \"type\": \"report\"\n    }\n]"
+   "links": "[\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Application\",\n        \"name\": \"Leave Application\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Allocation\",\n        \"name\": \"Leave Allocation\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Leave Type\"\n        ],\n        \"label\": \"Leave Policy\",\n        \"name\": \"Leave Policy\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Leave Period\",\n        \"name\": \"Leave Period\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Leave Type\",\n        \"name\": \"Leave Type\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Holiday List\",\n        \"name\": \"Holiday List\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Compensatory Leave Request\",\n        \"name\": \"Compensatory Leave Request\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Employee\"\n        ],\n        \"label\": \"Leave Encashment\",\n        \"name\": \"Leave Encashment\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"label\": \"Leave Block List\",\n        \"name\": \"Leave Block List\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"dependencies\": [\n            \"Leave Application\"\n        ],\n        \"doctype\": \"Leave Application\",\n        \"is_query_report\": true,\n        \"label\": \"Employee Leave Balance\",\n        \"name\": \"Employee Leave Balance\",\n        \"type\": \"report\"\n    }\n]"
   },
   {
    "hidden": 0,
@@ -93,7 +93,7 @@
  "idx": 0,
  "is_standard": 1,
  "label": "HR",
- "modified": "2020-05-28 13:36:07.710600",
+ "modified": "2020-06-10 12:41:41.695669",
  "modified_by": "Administrator",
  "module": "HR",
  "name": "HR",
diff --git a/erpnext/hr/utils.py b/erpnext/hr/utils.py
index cd12510..8d95924 100644
--- a/erpnext/hr/utils.py
+++ b/erpnext/hr/utils.py
@@ -73,11 +73,11 @@
 	def assign_task_to_users(self, task, users):
 		for user in users:
 			args = {
-				'assign_to' 	:	user,
-				'doctype'		:	task.doctype,
-				'name'			:	task.name,
-				'description'	:	task.description or task.subject,
-				'notify':	self.notify_users_by_email
+				'assign_to': [user],
+				'doctype': task.doctype,
+				'name': task.name,
+				'description': task.description or task.subject,
+				'notify': self.notify_users_by_email
 			}
 			assign_to.add(args)