diff --git a/Tools/scripts/texi2html.py b/Tools/scripts/texi2html.py
index 37d6e91..eae466c 100755
--- a/Tools/scripts/texi2html.py
+++ b/Tools/scripts/texi2html.py
@@ -257,7 +257,7 @@
             line = fp.readline()
             lineno = lineno + 1
         if line[:len(MAGIC)] <> MAGIC:
-            raise SyntaxError, 'file does not begin with %r' % (MAGIC,)
+            raise SyntaxError('file does not begin with %r' % (MAGIC,))
         self.parserest(fp, lineno)
 
     # Parse the contents of a file, not expecting a MAGIC header
@@ -475,7 +475,7 @@
                 continue
             if c <> '@':
                 # Cannot happen unless spprog is changed
-                raise RuntimeError, 'unexpected funny %r' % c
+                raise RuntimeError('unexpected funny %r' % c)
             start = i
             while i < n and text[i] in string.ascii_letters: i = i+1
             if i == start:
diff --git a/Tools/scripts/untabify.py b/Tools/scripts/untabify.py
index 49e9049..1a186a3 100755
--- a/Tools/scripts/untabify.py
+++ b/Tools/scripts/untabify.py
@@ -11,7 +11,7 @@
     try:
         opts, args = getopt.getopt(sys.argv[1:], "t:")
         if not args:
-            raise getopt.error, "At least one file argument required"
+            raise getopt.error("At least one file argument required")
     except getopt.error as msg:
         print(msg)
         print("usage:", sys.argv[0], "[-t tabwidth] file ...")