error in hp-doctor while open smart_install_run

[Vladimir]

When hp-doctor trying to disable smart install, the script gives an error.

OS: Ubuntu 16.04 x64 with last updates on may 13 2017

The problem is that the file opens in text mode

A path:

--- /usr/share/hplip/base/smart_install.py 2016-03-29 09:59:15.000000000 +0300
+++ smart_install.py 2017-05-13 12:11:30.180647387 +0300
@@ -151,7 +151,7 @@
 def validate(mode, smart_install_run, smart_install_asc, req_checksum=''):

     #Validate Checksum
- calc_checksum = utils.get_checksum(open(smart_install_run, 'r').read())
+ calc_checksum = utils.get_checksum(open(smart_install_run, 'rb').read())
     log.debug("File checksum=%s" % calc_checksum)

     if req_checksum and req_checksum != calc_checksum: