From fd8562bce264ee7cb49b9782adbe667b9bfa4b71 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 18 Jan 2018 15:53:51 +0100
Subject: [PATCH] raise exception in PropertyLinkSubList::setPyObject for wrong
 type

---
 src/App/PropertyLinks.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/App/PropertyLinks.cpp b/src/App/PropertyLinks.cpp
index d2f6d401a3..772c54986c 100644
--- a/src/App/PropertyLinks.cpp
+++ b/src/App/PropertyLinks.cpp
@@ -996,6 +996,11 @@ void PropertyLinkSubList::setPyObject(PyObject *value)
                             values.insert(values.end(), list.size(), pcObj->getDocumentObjectPtr());
                         }
                     }
+                    else {
+                        std::string error = std::string("type of first item must be 'DocumentObject', not ");
+                        error += Py_TYPE(tup[0].ptr())->tp_name;
+                        throw Base::TypeError(error);
+                    }
                 }
                 else if (PyObject_TypeCheck(*item, &(DocumentObjectPy::Type))) {
                     DocumentObjectPy *pcObj;