Install things in one binary package.

debian/control

@@ -33,13 +33,3 @@ Description: Program showing information about a Lubuntu system - libraries
  kernel, etc.
  .
  This package installs the main executable.
-
-Package: python3-lubuntu-about
-Architecture: all
-Depends: ${misc:Depends}, ${python3:Depends}
-Description: Program showing information about a Lubuntu system - libraries
- A simple entry in Lubuntu's main menu with a command showing some basic
- hardware and software information, like free memory, processor, OS version,
- kernel, etc.
- .
- This package installs the Python 3 libraries.

debian/rules

@@ -8,5 +8,8 @@ export PYBUILD_NAME=lubuntu-about
 	(cd src && make clean && make)
 	dh $@ --with python3 --buildsystem=pybuild
 
+override_dh_install:
+	dh_missing --fail-missing
+
 override_dh_python3:
 	dh_python3 --no-shebang-rewrite