traceback on no exception

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 * Python 3.4 znów wspierany
 * Domyślny czas dla TimeBasedHeap 
+* Traceback uruchamiany bez wyjątku będzie rzucał ValueError
 
 
 ## v2.0.12

satella/instrumentation/trace_back.py

@@ -208,6 +208,8 @@ class Traceback(object):
         To be invoked while processing an exception is in progress
 
         :param policy: policy for traceback generation
+        :raise ValueError: there is no traceback to get info from!
+            Is any exception in process?
         """
 
         if inspect.isclass(policy):
@@ -218,7 +220,7 @@ class Traceback(object):
         self.frames = []
 
         if tb is None:
-            self.formatted_traceback = u'No exception.'
+            raise ValueError('No traceback')
         else:
             while tb.tb_next:
                 tb = tb.tb_next

setup.cfg

 [metadata]
 name = satella
-version = 2.0.13rc2
+version = 2.0.13
 description-file = README.md
 author = Piotr Maślanka
 author_email = piotrm@smok.co

tests/test_instrumentation/test_trace_back.py

@@ -10,7 +10,7 @@ from satella.instrumentation import Traceback
 
 class TestTraceback(unittest.TestCase):
     def test_no_exc(self):
-        tb = Traceback()
+        self.assertRaises(ValueError, Traceback)
 
     def test_tb(self):