BLD: fix missing conda dependency on six

pavoljuhas · pavoljuhas · commit c57f2364f60e · 2019-03-06T22:20:23.000-05:00
diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
@@ -28,6 +28,7 @@ requirements:
   build:
     - python >=3.5|2.7*
     - setuptools
+    - six
     - pycifrw
 
   run:
