1 files changed, 27 insertions, 0 deletions
diff --git a/astroid/interpreter/objectmodel.py b/astroid/interpreter/objectmodel.py
index 7c32e6fc..af1205cd 100644
--- a/astroid/interpreter/objectmodel.py
+++ b/astroid/interpreter/objectmodel.py
@@ -41,6 +41,7 @@ mechanism.
 import itertools
 import pprint
 import os
+import types
 
 import six
 
@@ -518,3 +519,29 @@ class InstanceModel(ObjectModel):
     @property
     def py__dict__(self):
         return _dunder_dict(self._instance, self._instance.instance_attrs)
+
+
+class ExceptionInstanceModel(InstanceModel):
+
+    @property
+    def pyargs(self):
+        message = node_classes.Const('')
+        args = node_classes.Tuple(parent=self._instance)
+        args.postinit((message, ))
+        return args
+
+    if six.PY3:
+        # It's available only on Python 3.
+
+        @property
+        def py__traceback__(self):
+            builtins = astroid.MANAGER.builtins()
+            traceback_type = builtins[types.TracebackType.__name__]
+            return traceback_type.instantiate_class()
+
+    if six.PY2:
+        # It's available only on Python 2.
+
+        @property
+        def pymessage(self):
+            return node_classes.Const('')