Problem after 10 smb commands

[gsohler]

I use pysmbclient in a flask environment

Basically I do a listdir and then i do a isdir on each of the items.
After the 10th item smb goes gogo ....

Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 2292, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1815, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1718, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1813, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1799, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/gigl/projects/objects/flasky.py", line 513, in object
    view=obj.htmlview(id)
  File "/home/gigl/projects/objects/MySMB.py", line 75, in htmlview
    sublink = self.path2location(path,name)
  File "/home/gigl/projects/objects/MySMB.py", line 37, in path2location
    if globalsmb.isdir(path):
  File "/home/gigl/projects/objects/smbclient.py", line 322, in isdir
    return 'D' in self._getfile(path)[1]
  File "/home/gigl/projects/objects/smbclient.py", line 281, in _getfile
    f = self.glob(path).next()
  File "/home/gigl/projects/objects/smbclient.py", line 241, in glob
    files = self._runcmd(u'ls', path).splitlines()
  File "/home/gigl/projects/objects/smbclient.py", line 171, in _runcmd
    return self._raw_runcmd(fullcmd)
  File "/home/gigl/projects/objects/smbclient.py", line 162, in _raw_runcmd
    raise SambaClientError("Error on %r: %r" % (' '.join(cmd), result))
SambaClientError: Error on u'smbclient //localhost/public MySecretPassword -c ls "zeitplan                            N"': 'Unable to initialize messaging context\nNT_STATUS_NO_SUCH_FILE listing \\zeitplan                            N'

[E 181229 21:32:32 wsgi:374] 500 GET /object/12?name=SMB (127.0.0.1) 791.56ms

i tried to run p.kill() in _raw_runcmd but the process is finished already appearently

anybody know, what could be wrong there ?