diff --git a/pyghmi/ipmi/oem/lenovo/imm.py b/pyghmi/ipmi/oem/lenovo/imm.py
index 0411b720..24aa6f3f 100644
--- a/pyghmi/ipmi/oem/lenovo/imm.py
+++ b/pyghmi/ipmi/oem/lenovo/imm.py
@@ -125,8 +125,9 @@ class IMMClient(object):
         self.imm = ipmicmd.bmc
         self.adp_referer = 'https://{0}/designs/imm/index-console.php'.format(
             self.imm)
-        self.username = ipmicmd.ipmi_session.userid.decode('utf-8')
-        self.password = ipmicmd.ipmi_session.password.decode('utf-8')
+        if self.password:
+            self.username = ipmicmd.ipmi_session.userid.decode('utf-8')
+            self.password = ipmicmd.ipmi_session.password.decode('utf-8')
         self._wc = None  # The webclient shall be initiated on demand
         self._energymanager = None
         self.datacache = {}
diff --git a/pyghmi/ipmi/private/localsession.py b/pyghmi/ipmi/private/localsession.py
index 0d1881d2..d1983efd 100644
--- a/pyghmi/ipmi/private/localsession.py
+++ b/pyghmi/ipmi/private/localsession.py
@@ -15,6 +15,7 @@
 import ctypes
 import fcntl
 from select import select
+import time
 
 import pyghmi.ipmi.private.util as iutil
 
@@ -90,6 +91,9 @@ class Session(object):
         while not rd:
             rd, _, _ = select((self.ipmidev,), (), (), 1)
 
+    def pause(self, seconds):
+        time.sleep(seconds)
+
     @property
     def parsed_rsp(self):
         response = {'netfn': self.rsp.msg.netfn, 'command': self.rsp.msg.cmd,