Return empty dict if there is no config file

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/smart_settings/utils.py

@@ -56,7 +56,7 @@ def read_configuration_file(path):
                     )
     except IOError as exception:
         if exception.errno == errno.ENOENT:
-            pass
+            return {}  # No config file, return empty dictionary
         else:
             raise