From 927369b6d45b1e03cbc3a29610a2e035c7b77bd2 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Wed, 25 May 2011 17:12:39 +0100
Subject: Iterating over results results in nothing.

Had to add a dummy yield to make __iter__ be a generator.
---
 bgproc.py       | 2 ++
 bgproc_tests.py | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/bgproc.py b/bgproc.py
index 73aa052..10dd2f4 100644
--- a/bgproc.py
+++ b/bgproc.py
@@ -46,3 +46,5 @@ class BackgroundProcessing(object):
 
     def __iter__(self):
         '''Iterate over immediately available results.'''
+        if False:
+            yield
diff --git a/bgproc_tests.py b/bgproc_tests.py
index 5dbe53c..17bc4fc 100644
--- a/bgproc_tests.py
+++ b/bgproc_tests.py
@@ -38,3 +38,6 @@ class BackgroundProcessingTests(unittest.TestCase):
     def test_wait_for_results_returns_false_initially(self):
         self.assertEqual(self.bg.wait_for_results(), False)
 
+    def test_iterates_to_empty_list_initially(self):
+        self.assertEqual(list(self.bg), [])
+
-- 
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