adding jpopelka's patch into hplip-ui-optional.patch (launchpad #1612132)

hplip-ui-optional.patch

@@ -1,6 +1,6 @@
 diff -up hplip-3.16.7/base/utils.py.ui-optional hplip-3.16.7/base/utils.py
 --- hplip-3.16.7/base/utils.py.ui-optional	2016-07-15 12:12:28.000000000 +0200
-+++ hplip-3.16.7/base/utils.py	2016-08-10 18:02:25.126595787 +0200
++++ hplip-3.16.7/base/utils.py	2016-08-12 10:12:24.599398769 +0200
 @@ -733,6 +733,13 @@ def checkPyQtImport(): # qt3
          if os.getenv('DISPLAY') and os.getenv('STARTED_FROM_MENU'):
              no_qt_message_gtk()
@@ -33,3 +33,22 @@ diff -up hplip-3.16.7/base/utils.py.ui-optional hplip-3.16.7/base/utils.py
      raise ImportError("GUI Modules PyQt4 and PyQt5 are not installed")
  
  
+@@ -2455,6 +2464,7 @@ def import_dialog(ui_toolkit):
+             return  (QApplication, "ui4")
+         except ImportError as e:
+             log.error(e)
++            log.error("Unable to load Qt support. Is hplip-gui package installed?")
+             sys.exit(1)
+     elif ui_toolkit == "qt5":
+         try:
+@@ -2463,9 +2473,7 @@ def import_dialog(ui_toolkit):
+             return (QApplication, "ui5")
+         except ImportError as e:
+             log.error(e)
+-            sys.exit(1)
+-        else:
+-            log.error("Unable to load Qt support. Is it installed?")
++            log.error("Unable to load Qt support. Is hplip-gui package installed?")
+             sys.exit(1)
+ 
+ 

hplip.spec

@@ -7,7 +7,7 @@
 Summary: HP Linux Imaging and Printing Project
 Name: hplip
 Version: 3.16.7
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: GPLv2+ and MIT and BSD
 
 Url: http://hplip.sourceforge.net/
@@ -466,6 +466,9 @@ rm -f %{buildroot}%{_sysconfdir}/xdg/autostart/hplip-systray.desktop
 %postun libs -p /sbin/ldconfig
 
 %changelog
+* Fri Aug 12 2016 Zdenek Dohnal <zdohnal@redhat.com> - 3.16.7-4
+- adding jpopelka's patch into hplip-ui-optional.patch
+
 * Wed Aug 10 2016 Zdenek Dohnal <zdohnal@redhat.com> - 3.16.7-3
 - editing previous commit