rumba: avoid dict.items to ease portability across Python versions

1 files changed, 7 insertions, 4 deletions

diff --git a/rumba/model.py b/rumba/model.py
index 19c1182..2337d19 100644
--- a/rumba/model.py
+++ b/rumba/model.py
@@ -175,7 +175,8 @@ class Node:
 
         s += "  DIF registrations: [ "
         rl = []
-        for dif_a, difs in self.dif_registrations.items():
+        for dif_a in self.dif_registrations:
+            difs = self.dif_registrations[dif_a]
             x = "%s => [" % dif_a.name
             x += " ".join([dif_b.name for dif_b in difs])
             x += "]"
@@ -184,14 +185,16 @@ class Node:
         s += " ]\n"
 
         s += "  Name registrations: [ "
-        for name, difs in self.registrations.items():
+        for name in self.registrations:
+            difs = self.registrations[name]
             s += "%s => [ " % name
-            s += " ".join([dif.name for dif in difs])
+            s += ", ".join([dif.name for dif in difs])
             s += " ]"
         s += " ]\n"
 
         s += "  Bindings: [ "
-        s += ", ".join(["'%s' => '%s'"  % (ap, name) for ap, name in self.bindings.items()])
+        s += ", ".join(["'%s' => '%s'"  % (ap, self.bindings[ap]) \
+                                            for ap in self.bindings])
         s += " ]\n"
 
         return s