Interface does not run at SLAC

[daurer]

When starting the interface at SLAC, I get this error:

Traceback (most recent call last):
File "./hummingbird.py", line 32, in
interface.start_interface()
File "/reg/neh/home2/benedikt/software/hummingbird/src/interface/init.py", line 14, in start_interface
mw = Interface()
File "/reg/neh/home2/benedikt/software/hummingbird/src/interface/interface.py", line 33, in init
5554,'login'))
File "/reg/neh/home2/benedikt/software/hummingbird/src/interface/data_source.py", line 14, in init
self.connect()
File "/reg/neh/home2/benedikt/software/hummingbird/src/interface/data_source.py", line 30, in connect
self._ctrl_socket.connect(addr, self._ssh_tunnel)
File "/reg/neh/home2/benedikt/software/hummingbird/src/interface/zmqsocket.py", line 42, in connect
ssh.tunnel_connection(self._socket, addr, tunnel)
File "/reg/g/psdm/sw/releases/ana-current/arch/x86_64-rhel6-gcc44-opt/python/zmq/ssh/tunnel.py", line 133, in tunnel_connection
new_url, tunnel = open_tunnel(addr, server, keyfile=keyfile, password=password, paramiko=paramiko, timeout=timeout)
File "/reg/g/psdm/sw/releases/ana-current/arch/x86_64-rhel6-gcc44-opt/python/zmq/ssh/tunnel.py", line 161, in open_tunnel
tunnel = tunnelf(lport, rport, server, remoteip=ip, keyfile=keyfile, password=password, timeout=timeout)
File "/reg/g/psdm/sw/releases/ana-current/arch/x86_64-rhel6-gcc44-opt/python/zmq/ssh/tunnel.py", line 201, in openssh_tunnel
raise ImportError("pexpect unavailable, use paramiko_tunnel")
ImportError: pexpect unavailable, use paramiko_tunnel

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• Bitbucket: https://bitbucket.org/spinitiative/hummingbird.git/issue/4
• Originally reported by: Benedikt Daurer
• Originally created at: 2015-02-25T11:22:27.897