API views style fixes (pep8)

api/views.py

@@ -34,7 +34,7 @@ def asblockFreeAS(request):
 				num = block.asnumber_set.order_by("-number")[0].number + 1
 				if num > block.asEnd:
 					num = None
-					for n in range(block.asBegin, block.asEnd+1):
+					for n in range(block.asBegin, block.asEnd + 1):
 						try:
 							ASNumber.objects.get(number=n)
 						except ASNumber.DoesNotExist:
@@ -62,7 +62,6 @@ def freeSubnet(request):
 		"errorMsg": None,
 		"network": None,
 	}
-		
 
 	try:
 		parentRangeName = request.GET.get('parentRange', None)
@@ -194,6 +193,7 @@ def checkDomain(request):
 
 	return JsonResponse(ret)
 
+
 @login_required
 def checkRzone(request):
 	ret = {
@@ -215,4 +215,3 @@ def checkRzone(request):
 		ret["errorMsg"] = "ReverseZone does not exist"
 
 	return JsonResponse(ret)
-