python3.pkgs.tern: replace debut with debian-inspector

debut was renamed to debian-inspector. I didn't realize at the time that these
were two of the very same packages.

pkgs/development/python-modules/tern/default.nix

@@ -7,7 +7,7 @@
 , requests
 , stevedore
 , pbr
-, debut
+, debian-inspector
 , regex
 , GitPython
 , prettytable
@@ -22,6 +22,14 @@ buildPythonPackage rec {
     sha256 = "606c62944991b2cbcccf3f5353be693305d6d7d318c3865b9ecca49dbeab2727";
   };
 
+  patches = [
+    # debut was renamed to debian-inspector
+    # https://github.com/tern-tools/tern/pull/962
+    # NOTE: Has to be in-tree because the upstream patch doesn't apply cleanly
+    # to the PyPi source.
+    ./0001-Replace-debut-with-debian-inspector.patch
+  ];
+
   preBuild = ''
     cp requirements.{in,txt}
   '';
@@ -36,7 +44,7 @@ buildPythonPackage rec {
     dockerfile-parse
     requests
     stevedore
-    debut
+    debian-inspector
     regex
     GitPython
     prettytable