whitespace fixes

plugins/comment_joins.py

@@ -1,11 +1,10 @@
 # -*- coding: utf-8 -*-
 import logging
-
 import time
 import random
-
 import config
 from plugin_system import pluginfunction, ptypes
+
 log = logging.getLogger(__name__)
 
 comment_joins_strings = [
@@ -18,7 +17,7 @@ comment_joins_strings = [
 def comment_joins(**args):
     # max elapsed time between the latest and the N latest join
     timespan = 120
-    max_joins = 6
+    max_joins = config.runtime_config_store
 
     current_timestamp = int(time.time())