search: Do not fail if a dump.trie file existed when generated them
search: Do not fail if a dump.trie file existed when generated them

And simply for replace it.

+ Make pep8 and pylint happy

thiblahute/hotdoc,hotdoc/hotdoc,thiblahute/hotdoc,hotdoc/hotdoc,thiblahute/hotdoc,thiblahute/hotdoc,hotdoc/hotdoc,hotdoc/hotdoc,thiblahute/hotdoc,hotdoc/hotdoc,hotdoc/hotdoc,thiblahute/hotdoc