From c2c1227bbbc0523182507d8cfef19140728646e4 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Tue, 5 Nov 2019 08:46:38 -0800
Subject: [PATCH] python3Packages.hdbscan: add missing dependency

---
 pkgs/development/python-modules/hdbscan/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/hdbscan/default.nix b/pkgs/development/python-modules/hdbscan/default.nix
index 4566e43c0bd3..e716a185a80f 100644
--- a/pkgs/development/python-modules/hdbscan/default.nix
+++ b/pkgs/development/python-modules/hdbscan/default.nix
@@ -7,6 +7,7 @@
 , scikitlearn
 , fetchPypi
 , joblib
+, six
 }:
 
 buildPythonPackage rec {
@@ -21,7 +22,7 @@ buildPythonPackage rec {
   checkInputs = [ nose ];
 
   nativeBuildInputs = [ cython ];
-  propagatedBuildInputs = [ numpy scipy scikitlearn joblib ];
+  propagatedBuildInputs = [ numpy scipy scikitlearn joblib six ];
 
   meta = with lib; {
     description = "Hierarchical Density-Based Spatial Clustering of Applications with Noise, a clustering algorithm with a scikit-learn compatible API";