fix can't get a dict when Containers is None

hyponet · hyponet · commit 2d026fd1e56e · 2017-04-26T01:51:43.000+08:00
Signed-off-by: hhHypo &lt;i@ihypo.net&gt;
diff --git a/docker/models/networks.py b/docker/models/networks.py
@@ -22,7 +22,7 @@ def containers(self):
         """
         return [
             self.client.containers.get(cid) for cid in
-            self.attrs.get('Containers', {}).keys()
+            (self.attrs.get('Containers') or {}).keys()
         ]
 
     def connect(self, container):

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ def containers(self):`
`22`	`22`	`"""`
`23`	`23`	`return [`
`24`	`24`	`self.client.containers.get(cid) for cid in`
`25`		`- self.attrs.get('Containers', {}).keys()`
	`25`	`+ (self.attrs.get('Containers') or {}).keys()`
`26`	`26`	`]`
`27`	`27`
`28`	`28`	`def connect(self, container):`