--- /usr/lib/python3.7/site-packages/pungi/phases/gather/methods/method_deps.py.orig	2019-05-27 04:42:19.000000000 -0400
+++ /usr/lib/python3.7/site-packages/pungi/phases/gather/methods/method_deps.py	2019-06-11 16:44:34.948968754 -0400
@@ -68,6 +68,13 @@
 
 def _format_packages(pkgs):
     """Sort packages and merge name with arch."""
+    npkgs = []
+    for pkg, pa in pkgs:
+        if pa is None:
+            pa = ''
+        npkgs.append((pkg, pa))
+    pkgs = npkgs
+
     for pkg, pkg_arch in sorted(pkgs):
         if type(pkg) in [SimpleRpmWrapper, RpmWrapper]:
             pkg_name = pkg.name