Added deprecation warning to exec_command.

Author: Dan

pssh.py

@@ -476,6 +476,8 @@ def exec_command(self, *args, **kwargs):
         
         You may call get_stdout on already completed greenlets to re-get
         their output as many times as you want."""
+        warnings.warn("This method is being deprecated and will be removed in \
+future releases - use self.run_command instead", DeprecationWarning)
         return [self.pool.spawn(self._exec_command, host, *args, **kwargs)
                 for host in self.hosts]
 

tests/test_pssh_client.py

@@ -30,6 +30,7 @@
 import threading
 import paramiko
 import os
+import warnings
 
 USER_KEY = paramiko.RSAKey.from_private_key_file(
     os.path.sep.join([os.path.dirname(__file__), 'test_client_private_key']))