[testlib] check for generators in with_tempdir

If the decorated callable is a generator, we shouldn't reset tempfile.tempdir
until the end of the iteration.  Hopefully nobody uses this with nested/chained
generators, or they'd stomp all over each other's tempdirs.

Closes #117533

1 files changed, 2 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 0a2ac84..2e3b430 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 ChangeLog for logilab.common
 ============================
 
+--
+    * testlib: check for generators in with_tempdir (closes #117533)
 
 2013-01-21  -- 0.59.0