diff --git a/Lib/UserString.py b/Lib/UserString.py
index c55c1bf..de50396 100755
--- a/Lib/UserString.py
+++ b/Lib/UserString.py
@@ -197,7 +197,7 @@
             elif step != 1:
                 # XXX(twouters): I guess we should be reimplementing
                 # the extended slice assignment/deletion algorithm here...
-                raise TypeError, "invalid step in slicing assignment"
+                raise TypeError("invalid step in slicing assignment")
             start = min(start, stop)
             self.data = self.data[:start] + sub + self.data[stop:]
         else:
@@ -212,7 +212,7 @@
                 start, stop = stop+1, start+1
             elif step != 1:
                 # XXX(twouters): see same block in __setitem__
-                raise TypeError, "invalid step in slicing deletion"
+                raise TypeError("invalid step in slicing deletion")
             start = min(start, stop)
             self.data = self.data[:start] + self.data[stop:]
         else:
diff --git a/Lib/encodings/utf_32.py b/Lib/encodings/utf_32.py
index 4bbd22a..f0b7709 100644
--- a/Lib/encodings/utf_32.py
+++ b/Lib/encodings/utf_32.py
@@ -127,7 +127,7 @@
         elif byteorder == 1:
             self.decode = codecs.utf_32_be_decode
         elif consumed>=4:
-            raise UnicodeError,"UTF-32 stream does not start with BOM"
+            raise UnicodeError("UTF-32 stream does not start with BOM")
         return (object, consumed)
 
 ### encodings module API