Do i'm hitting the bug? ./sperf.py vmsrv01 -d cl01-sas 2021-02-01 15:27:39,411 - sperf.py:450 - INFO - Using primary log sperf.log. 2021-02-01 15:27:39,411 - sperf.py:460 - INFO - The test results will be put into /root/StoragePerformanceTester/sperf/results/4 Please enter the root password for vmsrv01: 2021-02-01 15:27:44,031 - sperf.py:50 - INFO - Copy id_rsa.pub to the host. 2021-02-01 15:27:44,302 - sperf.py:59 - INFO - Geting basic info on vmsrv01 2021-02-01 15:27:46,880 - sperf.py:72 - ERROR - Didn't find the right hardware info based on cl01-sas 2021-02-01 15:27:46,881 - sperf.py:110 - INFO - Check if the VM (cl01-sas_sperfVMv1) has been deployed. 2021-02-01 15:27:47,760 - sperf.py:119 - INFO - Host vmsrv01 doesn't have a VM named cl01-sas_sperfVMv1. 2021-02-01 15:27:47,761 - sperf.py:88 - WARNING - This connect is insecure. please try to add --nosslverify 0 in your tests. Traceback (most recent call last): File "./sperf.py", line 484, in <module> sys.exit(main()) File "./sperf.py", line 468, in main status = sperf.DeployVM(args.vmname, args.ovfurl, args.nosslverify) File "./sperf.py", line 95, in DeployVM proc.communicate(input=self._passwd) File "/usr/lib/python3.8/subprocess.py", line 1009, in communicate self._stdin_write(input) File "/usr/lib/python3.8/subprocess.py", line 958, in _stdin_write self.stdin.write(input) TypeError: a bytes-like object is required, not 'str' root@ubuntu-server:~/StoragePerformanceTester/sperf# Opening OVF source: ./ovftemplates/sperfVMv2.ovf The manifest validates Opening VI target: vi://firstname.lastname@example.org:443/ Deploying to VI: vi://email@example.com:443/ Transfer Completed Powering on VM: cl01-sas_sperfVMv1 Task Completed Received IP address: 192.168.99.173 Completed successfully And here i'm getting back to the prompt... What can i do to get this running?