Plugin icecast2_all: fix code style issues reported by flake8

plugins/icecast/icecast2_all

@@ -1,5 +1,15 @@
 #! /usr/bin/python
 # -*- coding: iso-8859-1 -*-
+"""
+This plugin shows the statistics of every source currently connected to the Icecast2 server.
+See the Icecast2_ plugin for specific mountpoint plugin.
+"""
+
+
+import sys
+import urllib2
+from xml.dom import minidom
+
 
 # Hostname of Icecast server
 # Just canonical name, no http:// nor ending /
@@ -9,10 +19,6 @@ username = "admin"
 password = ""
 realm = "Icecast2 Server"
 
-# This plugin shows the statistics of every source currently connected to the Icecast2 server. See the Icecast2_ plugin for specific mountpoint plugin.
-
-import urllib2, os.path, time, sys
-from xml.dom import minidom
 
 def hent_XML():
     auth_handler = urllib2.HTTPBasicAuthHandler()
@@ -29,11 +35,11 @@ def hent_XML():
     xmldoc = minidom.parseString(xml)
     xmldoc = xmldoc.firstChild
 
-    #Totalt antall lyttere
+    # Totalt antall lyttere
     total_lyttere = xmldoc.getElementsByTagName("clients")[0].firstChild.nodeValue
-    #Totalt antall kilder
+    # Totalt antall kilder
     total_kilder = xmldoc.getElementsByTagName("sources")[0].firstChild.nodeValue
-    #Status for enkelt strøm
+    # Status for enkelt strøm
     sources = xmldoc.getElementsByTagName("source")
     sourcelist = {}
     for source in sources:

t/test-exception-wrapper.expected-failures

@@ -157,7 +157,6 @@ plugins/http/wget_page
 plugins/i2p/i2p_
 plugins/icecast/icecast_
 plugins/icecast/icecast2
-plugins/icecast/icecast2_all
 plugins/icecast/icecast2_stats_
 plugins/imapproxy/imapproxy_multi
 plugins/ip6/ip6_