python: fix debuild when no notcurses is present

CMakeLists.txt

@@ -513,7 +513,10 @@ if(${BUILD_PYTHON})
   if(DEFINED ENV{DEB_BUILD_ARCH})
     install(
       CODE
-      "execute_process(COMMAND ${Python3_EXECUTABLE} ${SETUP_PY} install --root=${CMAKE_SOURCE_DIR}/debian/python3-notcurses --install-layout=deb --prefix=${CMAKE_INSTALL_PREFIX} WORKING_DIRECTORY ../python)")
+        "execute_process(COMMAND ${Python3_EXECUTABLE} ${SETUP_PY} install --root=${CMAKE_SOURCE_DIR}/debian/python3-notcurses --install-layout=deb --prefix=${CMAKE_INSTALL_PREFIX} --skip-build
+      WORKING_DIRECTORY
+        ../python)"
+  )
   else()
     install(
       CODE

debian/control

@@ -79,6 +79,7 @@ Description: Binaries from libnotcurses
  notcurses-view, notcurses-planereel, and notcurses-input.
 
 Package: python3-notcurses
+Section: python
 Architecture: any
 Depends: ${misc:Depends}, ${python3:Depends}, ${shlibs:Depends}
 Description: Python wrappers for notcurses (Python 3)