SF 563203. Replaced 'has_key()' with 'in'.
diff --git a/Lib/mimetools.py b/Lib/mimetools.py
index d519539..f97787a 100644
--- a/Lib/mimetools.py
+++ b/Lib/mimetools.py
@@ -142,7 +142,7 @@
         return uu.decode(input, output)
     if encoding in ('7bit', '8bit'):
         return output.write(input.read())
-    if decodetab.has_key(encoding):
+    if encoding in decodetab:
         pipethrough(input, decodetab[encoding], output)
     else:
         raise ValueError, \
@@ -161,7 +161,7 @@
         return uu.encode(input, output)
     if encoding in ('7bit', '8bit'):
         return output.write(input.read())
-    if encodetab.has_key(encoding):
+    if encoding in encodetab:
         pipethrough(input, encodetab[encoding], output)
     else:
         raise ValueError, \