remove reference to paramiko's ResourceManager, which is no longer wo…

…rking/needed in paramiko>=1.17

Exscript/protocols/ssh2.py

@@ -33,7 +33,6 @@
 import Crypto
 from binascii import hexlify
 from paramiko import util
-from paramiko.resource import ResourceManager
 from paramiko.ssh_exception import SSHException, AuthenticationException, \
         BadHostKeyException
 from ..util.tty import get_terminal_size
@@ -161,7 +160,6 @@ def _paramiko_connect(self):
         t = paramiko.Transport(sock)
         t.banner_timeout = self.banner_timeout
         t.start_client()
-        ResourceManager.register(self, t)
 
         # Check system host keys.
         server_key = t.get_remote_server_key()

requirements.txt

@@ -1,4 +1,4 @@
 future
 configparser
 pycrypto
-paramiko
+paramiko>=1.17