diff --git a/ceilometer_powervm/compute/virt/powervm/inspector.py b/ceilometer_powervm/compute/virt/powervm/inspector.py
index 9a7a480..09aa18b 100644
--- a/ceilometer_powervm/compute/virt/powervm/inspector.py
+++ b/ceilometer_powervm/compute/virt/powervm/inspector.py
@@ -481,7 +481,7 @@ class PowerVMInspector(virt_inspector.Inspector):
             prev_adpt = find_prev(cur_adpt)
             prev_ops = ((prev_adpt.num_reads + prev_adpt.num_writes)
                         if prev_adpt else 0)
-            iops = (cur_ops - prev_ops) / date_delta.seconds
+            iops = (cur_ops - prev_ops) // date_delta.seconds
 
             # PowerVM only shows the connection (SCSI or FC).  Name after
             # the connection name
diff --git a/requirements.txt b/requirements.txt
index 13b8d4c..b5628e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,2 @@
 oslo.log>=1.2.0  # Apache-2.0
 pbr>=0.11,<2.0
-yasfb>=0.5.1