diff --git a/src/helper_inbox.py b/src/helper_inbox.py
index 3506150a..95214743 100644
--- a/src/helper_inbox.py
+++ b/src/helper_inbox.py
@@ -1,15 +1,21 @@
-from helper_sql import *
+"""Helper Inbox performs inbox messagese related operations."""
+
+from helper_sql import sqlExecute, sqlQuery
 import queues
 
+
 def insert(t):
     sqlExecute('''INSERT INTO inbox VALUES (?,?,?,?,?,?,?,?,?,?)''', *t)
-    #shouldn't emit changedInboxUnread and displayNewInboxMessage at the same time
-    #queues.UISignalQueue.put(('changedInboxUnread', None))
-    
+    # shouldn't emit changedInboxUnread and displayNewInboxMessage
+    # at the same time
+    # queues.UISignalQueue.put(('changedInboxUnread', None))
+
+
 def trash(msgid):
     sqlExecute('''UPDATE inbox SET folder='trash' WHERE msgid=?''', msgid)
-    queues.UISignalQueue.put(('removeInboxRowByMsgid',msgid))
-    
+    queues.UISignalQueue.put(('removeInboxRowByMsgid', msgid))
+
+
 def isMessageAlreadyInInbox(sigHash):
     queryReturn = sqlQuery(
         '''SELECT COUNT(*) FROM inbox WHERE sighash=?''', sigHash)