diff --git a/Lib/xmlrpclib.py b/Lib/xmlrpclib.py
index ac36b62..60b05b9 100644
--- a/Lib/xmlrpclib.py
+++ b/Lib/xmlrpclib.py
@@ -570,13 +570,13 @@
             try:
                 value.__dict__
             except:
-                raise TypeError, "cannot marshal %s objects" % type(value)
+                raise TypeError("cannot marshal %s objects" % type(value))
             # check if this class is a sub-class of a basic type,
             # because we don't know how to marshal these types
             # (e.g. a string sub-class)
             for type_ in type(value).__mro__:
                 if type_ in self.dispatch.keys():
-                    raise TypeError, "cannot marshal %s objects" % type(value)
+                    raise TypeError("cannot marshal %s objects" % type(value))
             # XXX(twouters): using "_arbitrary_instance" as key as a quick-fix
             # for the p3yk merge, this should probably be fixed more neatly.
             f = self.dispatch["_arbitrary_instance"]
@@ -584,14 +584,14 @@
 
     def dump_nil (self, value, write):
         if not self.allow_none:
-            raise TypeError, "cannot marshal None unless allow_none is enabled"
+            raise TypeError("cannot marshal None unless allow_none is enabled")
         write("<value><nil/></value>")
     dispatch[type(None)] = dump_nil
 
     def dump_int(self, value, write):
         # in case ints are > 32 bits
         if value > MAXINT or value < MININT:
-            raise OverflowError, "int exceeds XML-RPC limits"
+            raise OverflowError("int exceeds XML-RPC limits")
         write("<value><int>")
         write(str(value))
         write("</int></value>\n")
@@ -606,7 +606,7 @@
 
     def dump_long(self, value, write):
         if value > MAXINT or value < MININT:
-            raise OverflowError, "long int exceeds XML-RPC limits"
+            raise OverflowError("long int exceeds XML-RPC limits")
         write("<value><int>")
         write(str(int(value)))
         write("</int></value>\n")
@@ -633,7 +633,7 @@
     def dump_array(self, value, write):
         i = id(value)
         if i in self.memo:
-            raise TypeError, "cannot marshal recursive sequences"
+            raise TypeError("cannot marshal recursive sequences")
         self.memo[i] = None
         dump = self.__dump
         write("<value><array><data>\n")
@@ -647,14 +647,14 @@
     def dump_struct(self, value, write, escape=escape):
         i = id(value)
         if i in self.memo:
-            raise TypeError, "cannot marshal recursive dictionaries"
+            raise TypeError("cannot marshal recursive dictionaries")
         self.memo[i] = None
         dump = self.__dump
         write("<value><struct>\n")
         for k, v in value.items():
             write("<member>\n")
             if not isinstance(k, basestring):
-                raise TypeError, "dictionary key must be string"
+                raise TypeError("dictionary key must be string")
             write("<name>%s</name>\n" % escape(k))
             dump(v, write)
             write("</member>\n")
@@ -724,7 +724,7 @@
         self.append = self._stack.append
         self._use_datetime = use_datetime
         if use_datetime and not datetime:
-            raise ValueError, "the datetime module is not available"
+            raise ValueError("the datetime module is not available")
 
     def close(self):
         # return response tuple and target method
@@ -791,7 +791,7 @@
         elif data == "1":
             self.append(True)
         else:
-            raise TypeError, "bad boolean value"
+            raise TypeError("bad boolean value")
         self._value = 0
     dispatch["boolean"] = end_boolean
 
@@ -897,8 +897,7 @@
         elif type(item) == type([]):
             return item[0]
         else:
-            raise ValueError,\
-                  "unexpected type in multicall result"
+            raise ValueError("unexpected type in multicall result")
 
 class MultiCall:
     """server -> a object used to boxcar method calls
@@ -952,7 +951,7 @@
     to an unmarshalling object.  Return both objects.
     """
     if use_datetime and not datetime:
-        raise ValueError, "the datetime module is not available"
+        raise ValueError("the datetime module is not available")
     if FastParser and FastUnmarshaller:
         if use_datetime:
             mkdatetime = _datetime_type
@@ -1321,7 +1320,7 @@
         import urllib
         type, uri = urllib.splittype(uri)
         if type not in ("http", "https"):
-            raise IOError, "unsupported XML-RPC protocol"
+            raise IOError("unsupported XML-RPC protocol")
         self.__host, self.__handler = urllib.splithost(uri)
         if not self.__handler:
             self.__handler = "/RPC2"