From b224e6e76976f26fc2ce186aa3b72833696d0893 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Wed, 29 May 2013 18:56:03 +0200
Subject: Printer: fix printing of empty dicts

---
 hostinfo/printer.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hostinfo/printer.py b/hostinfo/printer.py
index f6fdda7..a4f58f7 100644
--- a/hostinfo/printer.py
+++ b/hostinfo/printer.py
@@ -140,6 +140,9 @@ class Printer:
              for full_key in [_get_full_key(printer.full_key, key)]
              if self._should_display(full_key, filter_key)],
             sort)
+        if len(keys) == 0:
+            return
+
         maxlength = max([len(self._get_label(key, full_key)) \
                          for (key, full_key) in keys])
 
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