Errno 2: File or Directory not found about harstorage HOT 3 CLOSED

A little more information:
Module harstorage.controllers.results:24 in index          view
>>  c.rev = repo.hg_rev()
Module harstorage.lib.hgapi:69 in hg_rev          view
>>  res = self.hg_command("id", "-n")
Module harstorage.lib.hgapi:48 in hg_command          view
>>  proc = Popen(["hg", "--cwd", self.path, "--encoding", "UTF-8"] + 
list(args), stdout=PIPE, stderr=PIPE)
Module subprocess:679 in __init__          view
>>  errread, errwrite)
Module subprocess:1239 in _execute_child          view
>>  raise child_exception
OSError: [Errno 2] No such file or directory

This issue was caused by dependence on mercurial components.

Fixed along with other bugs in new release v0.5.2.