fix drop cleanup

imap2md/export-imap-notes.py

@@ -12,9 +12,6 @@ N = 500
 if not os.path.isdir('notes'):
     os.mkdir('notes')
 
-def clean(text):
-    return "".join(c if c.isalnum() else "_" for c in text)
-
 imap = imaplib.IMAP4_SSL(imapserver)
 imap.login(username, password)
 
@@ -36,7 +33,7 @@ for i in range(messages, messages-N, -1):
                 From = From.decode(encoding)
 
             print(subject)
-            filepath = clean(subject) + '.md'
+            filepath = subject + '.md'
             filepath = os.path.join('notes', filepath)
 
             if msg.is_multipart():