pythonnet
diff --git a/‎src/runtime/pythonexception.cs‎
Lines changed: 21 additions & 1 deletion b/‎src/runtime/pythonexception.cs‎
Lines changed: 21 additions & 1 deletion
@@ -35,17 +35,25 @@ public PythonException() : base()
         if ((_pyType != IntPtr.Zero) && (_pyValue != IntPtr.Zero))
         {
             string type;
+            string message;
+            Runtime.Incref(_pyType);
             using (PyObject pyType = new PyObject(_pyType))
             using (PyObject pyTypeName = pyType.GetAttr("__name__"))
             {
                     type = pyTypeName.ToString();
             }
-            string message = Runtime.GetManagedString(_pyValue);
+
+            Runtime.Incref(_pyValue);
+            using (PyObject pyValue = new PyObject(_pyValue)) 
+            {
+                message = pyValue.ToString(); 
+            }
             _message = type + " : " + message;
         }
         if (_pyTB != IntPtr.Zero)
         {
             PyObject tb_module = PythonEngine.ImportModule("traceback");
+            Runtime.Incref(_pyTB);
             using (PyObject pyTB = new PyObject(_pyTB)) {
                 _tb = tb_module.InvokeMethod("format_tb", pyTB).ToString();
             }
@@ -99,6 +107,18 @@ public IntPtr PyValue
         get { return _pyValue; }
     }
 
+    /// <summary>
+    /// PyTB Property
+    /// </summary>
     ///
+    /// <remarks>
+    /// Returns the TraceBack as a Python object.
+    /// </remarks>
+
+    public IntPtr PyTB {
+        get { return _pyTB; }
+    }
+
     /// <summary>
     /// Message Property
     /// </summary>