use correctly log function

slapos/recipe/cmmi/__init__.py

@@ -68,7 +68,7 @@ class Recipe(object):
               m.update(option_signature)
 
            shared = os.path.join(shared, m.hexdigest())
-           log.info('shared directory  %s set for %s' % (shared, self.name))
+           log.info('shared directory  %s set for %s', shared, self.name)
 
         options['shared'] = shared
         default_location = options['default-location'] = os.path.join(
@@ -286,7 +286,7 @@ class Recipe(object):
 
         # In shared mode, do nothing if package has been installed.
         if (not self.options['shared'] == ''):
-            log.info('Checking whether package is installed at shared path: %s' % self.options['shared'])
+            log.info('Checking whether package is installed at shared path: %s', self.options['shared'])
             if os.path.exists(self.options['shared']):
                 log.info('This shared package has been installed by other package')
                 return parts