fix in item addition - details fetching
diff --git a/erpnext/accounts/doctype/receivable_voucher/receivable_voucher.py b/erpnext/accounts/doctype/receivable_voucher/receivable_voucher.py
index 446a116..b0d1e53 100644
--- a/erpnext/accounts/doctype/receivable_voucher/receivable_voucher.py
+++ b/erpnext/accounts/doctype/receivable_voucher/receivable_voucher.py
@@ -166,7 +166,8 @@
 	# Item Details
 	# -------------
 	def get_item_details(self, args=None):
-		args = args and eval(args) or {}
+		import json
+		args = args and json.loads(args) or {}
 		if args.get('item_code'):
 			ret = get_obj('Sales Common').get_item_details(args, self)
 			return self.get_pos_details(args, ret)
diff --git a/erpnext/selling/doctype/quotation/quotation.py b/erpnext/selling/doctype/quotation/quotation.py
index 27206b2..f185468 100644
--- a/erpnext/selling/doctype/quotation/quotation.py
+++ b/erpnext/selling/doctype/quotation/quotation.py
@@ -77,7 +77,8 @@
 	# Get Item Details
 	# -----------------
 	def get_item_details(self, args=None):
-		args = args and eval(args) or {}
+		import json
+		args = args and json.loads(args) or {}
 		if args.get('item_code'):
 			return get_obj('Sales Common').get_item_details(args, self)
 		else:
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index c886ec3..7796e15 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -102,7 +102,8 @@
 	# Get Item Details
 	# ----------------
 	def get_item_details(self, args=None):
-		args = args and eval(args) or {}
+		import json
+		args = args and json.loads(args) or {}
 		if args.get('item_code'):
 			return get_obj('Sales Common').get_item_details(args, self)
 		else:
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.py b/erpnext/stock/doctype/delivery_note/delivery_note.py
index 3d8a101..5940bb2 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.py
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.py
@@ -107,7 +107,8 @@
 
 	# ***************** Get Item Details ******************************
 	def get_item_details(self, args=None):
-		args = args and eval(args) or {}
+		import json
+		args = args and json.loads(args) or {}
 		if args.get('item_code'):
 			return get_obj('Sales Common').get_item_details(args, self)
 		else: