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-rw-r--r--pkgs/development/libraries/mlt/default.nix6
1 files changed, 4 insertions, 2 deletions
diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index 8bd2bc80362..a4f0289cd58 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -3,7 +3,7 @@
 , libvorbis, libxml2, movit, pkg-config, sox, fftw, opencv4, SDL2
 , gtk2, genericUpdater, common-updater-scripts, libebur128
 , jack2, ladspa-sdk, swig, which, ncurses
-, enablePython ? false, python
+, enablePython ? false, python3
 }:
 
 stdenv.mkDerivation rec {
@@ -24,7 +24,9 @@ stdenv.mkDerivation rec {
   ] ++ lib.optional enablePython ncurses;
 
   nativeBuildInputs = [ pkg-config makeWrapper which ]
-  ++ lib.optionals enablePython [ python swig ];
+  ++ lib.optionals enablePython [ python3 swig ];
+
+  strictDeps = true;
 
   # Mostly taken from:
   # http://www.kdenlive.org/user-manual/downloading-and-installing-kdenlive/installing-source/installing-mlt-rendering-engine