diff --git a/sleekxmpp/plugins/xep_0030/disco.py b/sleekxmpp/plugins/xep_0030/disco.py
index 2267401..a608863 100644
--- a/sleekxmpp/plugins/xep_0030/disco.py
+++ b/sleekxmpp/plugins/xep_0030/disco.py
@@ -754,7 +754,7 @@ class xep_0030(base_plugin):
         """
         result = info
         if isinstance(info, Iq):
-            info = iq['disco_info']
+            info = info['disco_info']
         if not info['node']:
             if not info['identities']:
                 if self.xmpp.is_component:
diff --git a/sleekxmpp/plugins/xep_0030/static.py b/sleekxmpp/plugins/xep_0030/static.py
index e0ac29c..4972bde 100644
--- a/sleekxmpp/plugins/xep_0030/static.py
+++ b/sleekxmpp/plugins/xep_0030/static.py
@@ -11,7 +11,7 @@ import threading
 
 import sleekxmpp
 from sleekxmpp import Iq
-from sleekxmpp.exceptions import XMPPError
+from sleekxmpp.exceptions import XMPPError, IqError, IqTimeout
 from sleekxmpp.plugins.base import base_plugin
 from sleekxmpp.xmlstream.handler import Callback
 from sleekxmpp.xmlstream.matcher import StanzaPath
diff --git a/sleekxmpp/plugins/xep_0066/oob.py b/sleekxmpp/plugins/xep_0066/oob.py
index d1f4b3f..0e73de0 100644
--- a/sleekxmpp/plugins/xep_0066/oob.py
+++ b/sleekxmpp/plugins/xep_0066/oob.py
@@ -121,7 +121,7 @@ class xep_0066(base_plugin):
             iq -- The Iq stanza containing the OOB transfer request.
         """
         if iq['to'] in self.url_handlers['jid']:
-            return self.url_handlers['jid'][jid](iq)
+            return self.url_handlers['jid'][iq['to']](iq)
         else:
             if self.url_handlers['global']:
                 self.url_handlers['global'](iq)
diff --git a/sleekxmpp/plugins/xep_0078/legacyauth.py b/sleekxmpp/plugins/xep_0078/legacyauth.py
index dec775a..d1495c7 100644
--- a/sleekxmpp/plugins/xep_0078/legacyauth.py
+++ b/sleekxmpp/plugins/xep_0078/legacyauth.py
@@ -9,7 +9,9 @@
 import logging
 import hashlib
 import random
+import sys
 
+from sleekxmpp.exceptions import IqError, IqTimeout
 from sleekxmpp.stanza import Iq, StreamFeatures
 from sleekxmpp.xmlstream import ElementBase, ET, register_stanza_plugin
 from sleekxmpp.plugins.base import base_plugin
diff --git a/sleekxmpp/thirdparty/mini_dateutil.py b/sleekxmpp/thirdparty/mini_dateutil.py
index 6af5ffd..d0d3f2e 100644
--- a/sleekxmpp/thirdparty/mini_dateutil.py
+++ b/sleekxmpp/thirdparty/mini_dateutil.py
@@ -67,6 +67,7 @@
 
 
 import re
+import math
 import datetime
 
 
@@ -240,12 +241,12 @@ except:
         if frac != None:
             # ok, fractions of hour?
             if min == None:
-                frac, min = _math.modf(frac * 60.0)
+                frac, min = math.modf(frac * 60.0)
                 min = int(min)
 
             # fractions of second?
             if s == None:
-                frac, s = _math.modf(frac * 60.0)
+                frac, s = math.modf(frac * 60.0)
                 s = int(s)
 
             # and extract microseconds...
diff --git a/sleekxmpp/thirdparty/suelta/mechanisms/digest_md5.py b/sleekxmpp/thirdparty/suelta/mechanisms/digest_md5.py
index 5492c55..890f3e2 100644
--- a/sleekxmpp/thirdparty/suelta/mechanisms/digest_md5.py
+++ b/sleekxmpp/thirdparty/suelta/mechanisms/digest_md5.py
@@ -1,8 +1,10 @@
 import sys
 
 import random
+import hmac
 
 from sleekxmpp.thirdparty.suelta.util import hash, bytes, quote
+from sleekxmpp.thirdparty.suelta.util import num_to_bytes, bytes_to_num
 from sleekxmpp.thirdparty.suelta.sasl import Mechanism, register_mechanism
 from sleekxmpp.thirdparty.suelta.exceptions import SASLError, SASLCancelled