Fix build failure on Python versions older the 3.3

NixOS · Apr 14, 2019 · 984a356 · 984a356
1 parent 20c2405
commit 984a356
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkgs/development/python-modules/humanfriendly/default.nix b/pkgs/development/python-modules/humanfriendly/default.nix
@@ -1,6 +1,8 @@
 { stdenv
+, pythonOlder
 , buildPythonPackage
 , fetchPypi
+, monotonic
 }:
 
 buildPythonPackage rec {
@@ -12,6 +14,8 @@ buildPythonPackage rec {
     sha256 = "33ee8ceb63f1db61cce8b5c800c531e1a61023ac5488ccde2ba574a85be00a85";
   };
 
+  propagatedBuildInputs = [] ++ lib.optional (pythonOlder "3.3") monotonic;
+
   # humanfriendly tests depends on coloredlogs which itself depends on
   # humanfriendly. This lead to infinite recursion when trying to
   # build this package so we have to disable the test suite :(