fixes escape module import

appears at one time there was an underscore, but it is no longer needed.

keyrings/cryptfile/convert.py

@@ -12,7 +12,7 @@
 import configparser
 
 from keyrings.cryptfile.cryptfile import CryptFileKeyring
-from keyrings.cryptfile._escape import escape, unescape
+from keyrings.cryptfile.escape import escape, unescape
 
 NOTE = """\
 Note: no effort has been made to replace the original keyring file.