Fixed settings=None bug when bug values file is blank/missing.

Just return an empty dict instead.

Steps to reproduce:

  $ mkdir /tmp/BE-test
  $ cd /tmp/BE-test
  $ be set-root
  $ be new 'having too much fun'

1 files changed, 1 insertions, 1 deletions

diff --git a/libbe/mapfile.py b/libbe/mapfile.py
index c36d454..0272890 100644
--- a/libbe/mapfile.py
+++ b/libbe/mapfile.py
@@ -113,7 +113,7 @@ def parse(contents):
             else:
                 newlines.append(line)
         contents = '\n'.join(newlines)
-    return yaml.load(contents)
+    return yaml.load(contents) or {}
 
 def map_save(rcs, path, map, allow_no_rcs=False):
     """Save the map as a mapfile to the specified path"""