tag 970730 +patch thanks Removing the Build-Depends is enough to fix the issue, attached patch does that
diff -Nru spice-gtk-0.38/debian/changelog spice-gtk-0.38/debian/changelog --- spice-gtk-0.38/debian/changelog 2020-04-25 19:10:00.000000000 +0200 +++ spice-gtk-0.38/debian/changelog 2020-09-24 12:14:48.000000000 +0200 @@ -1,3 +1,11 @@ +spice-gtk (0.38-3) unstable; urgency=medium + + * debian/control: + - don't Build-Depends on the gstreamer1.0-doc NBS binary + (Closes: #970730) + + -- Sebastien Bacher <[email protected]> Thu, 24 Sep 2020 12:14:48 +0200 + spice-gtk (0.38-2) unstable; urgency=medium * Team upload. diff -Nru spice-gtk-0.38/debian/control spice-gtk-0.38/debian/control --- spice-gtk-0.38/debian/control 2020-04-25 19:10:00.000000000 +0200 +++ spice-gtk-0.38/debian/control 2020-09-24 12:14:42.000000000 +0200 @@ -5,7 +5,6 @@ Build-Depends: debhelper-compat (= 12), gettext, gobject-introspection, - gstreamer1.0-doc, gtk-doc-tools (>= 1.14), libacl1-dev, libcacard-dev (>= 0.1.2),
