Removed six

Signed-off-by: Bastian Venthur <bastian.venthur@flixbus.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/compose/container.py b/compose/container.py
index 37de4e6f..18deabbd 100644
--- a/compose/container.py
+++ b/compose/container.py
@@ -1,6 +1,5 @@
 from functools import reduce
 
-import six
 from docker.errors import ImageNotFound
 
 from .const import LABEL_CONTAINER_NUMBER
@@ -127,7 +126,7 @@ class Container(object):
 
         return ', '.join(
             ','.join(format_port(*item))
-            for item in sorted(six.iteritems(self.ports))
+            for item in sorted(self.ports.items())
         )
 
     @property