Added 'python-apt' to Suggests of apt (because of apt-mark).

debian/changelog

@@ -13,6 +13,7 @@ apt (0.7.17) unstable; urgency=low
     - Fixed lintian warnings "debian/rules ignores make errors".
   * debian/control:
     - Substituted outdated "Source-Version" fields with "binary:Version".
+    - Added 'python-apt' to Suggests, as apt-mark need it for work.
   * debian/libapt-pkg-doc.doc-base.*:
     - Changed section: from old 'Devel' to 'Debian'. This fixes appropriate
       lintian warnings.

debian/control

@@ -13,7 +13,7 @@ Depends: ${shlibs:Depends}, debian-archive-keyring
 Priority: important
 Replaces: libapt-pkg-doc (<< 0.3.7), libapt-pkg-dev (<< 0.3.7)
 Provides: ${libapt-pkg:provides}
-Suggests: aptitude | synaptic | gnome-apt | wajig, dpkg-dev, apt-doc, bzip2, lzma
+Suggests: aptitude | synaptic | gnome-apt | wajig, dpkg-dev, apt-doc, bzip2, lzma, python-apt
 Section: admin
 Description: Advanced front-end for dpkg
  This is Debian's next generation front-end for the dpkg package manager.