clean up

main/views.py

@@ -305,7 +305,6 @@ def getall(request):
     return render_to_response('main.html', {'gethostname': get_hostname(),
 					    'getplatform': get_platform(),
 					    'getcpus': get_cpus(),
-					    'getdiskrw': get_disk_rw(),
 					    'time_refresh': time_refresh,
 					    'time_refresh_long': time_refresh_long,
 					    'time_refresh_net': time_refresh_net,

usage/views.py

@@ -403,7 +403,6 @@ def getdiskio(request):
     try:
 	diskrw = get_disk_rw()
 	diskrw = diskrw[0]
-	label = diskrw[0]
 	
     except Exception:
         diskrw = 0
@@ -479,7 +478,7 @@ def getdiskio(request):
             datasets_in[9] += 0.1
 
     disk_rw = {
-        'labels': [label] * 10,
+        'labels': [""] * 10,
         'datasets': [
             {
                 "fillColor": "rgba(245,134,15,0.5)",