diff --git a/python/tox.ini b/python/tox.ini
index ad2aea838..2880d5344 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -7,11 +7,7 @@ envlist =
 
 [testenv]
 commands = 
-    # (some qr tests are pretty heavy in terms of send/received
-    # messages and async-imap's likely has concurrency problems, 
-    # eg https://github.com/async-email/async-imap/issues/4 )
-    pytest -n6 --reruns 3 --reruns-delay 5 -v -rsXx -k "not qr" {posargs:tests} 
-    pytest -n6 --reruns 5 --reruns-delay 5 -v -rsXx -k "qr" {posargs:tests} 
+    pytest -n6 --reruns 2 --reruns-delay 5 -v -rsXx {posargs:tests} 
     # python tests/package_wheels.py {toxworkdir}/wheelhouse
 passenv = 
     TRAVIS