diff --git a/Lib/test/test_MimeWriter.py b/Lib/test/test_MimeWriter.py
index 35e5162..8b74421 100644
--- a/Lib/test/test_MimeWriter.py
+++ b/Lib/test/test_MimeWriter.py
@@ -16,30 +16,30 @@
 TYPE Seller = OBJECT
     DOCUMENTATION "A simple Seller interface to test ILU"
     METHODS
-	    price():INTEGER,
+            price():INTEGER,
     END;
 '''
 
 BUYER = '''\
 class Buyer:
     def __setup__(self, maxprice):
-	self._maxprice = maxprice
+        self._maxprice = maxprice
 
     def __main__(self, kos):
-	"""Entry point upon arrival at a new KOS."""
-	broker = kos.broker()
-	# B4 == Barry's Big Bass Business :-)
-	seller = broker.lookup('Seller_1.Seller', 'B4')
-	if seller:
-	    price = seller.price()
-	    print 'Seller wants $', price, '... '
-	    if price > self._maxprice:
-		print 'too much!'
-	    else:
-		print "I'll take it!"
-	else:
-	    print 'no seller found here'
-'''					# Don't ask why this comment is here
+        """Entry point upon arrival at a new KOS."""
+        broker = kos.broker()
+        # B4 == Barry's Big Bass Business :-)
+        seller = broker.lookup('Seller_1.Seller', 'B4')
+        if seller:
+            price = seller.price()
+            print 'Seller wants $', price, '... '
+            if price > self._maxprice:
+                print 'too much!'
+            else:
+                print "I'll take it!"
+        else:
+            print 'no seller found here'
+'''                                     # Don't ask why this comment is here
 
 STATE = '''\
 # instantiate a buyer instance and put it in a magic place for the KOS
@@ -49,32 +49,32 @@
 '''
 
 SIMPLE_METADATA = [
-	("Interpreter", "python"),
-	("Interpreter-Version", "1.3"),
-	("Owner-Name", "Barry Warsaw"),
-	("Owner-Rendezvous", "bwarsaw@cnri.reston.va.us"),
-	("Home-KSS", "kss.cnri.reston.va.us"),
-	("Identifier", "hdl://cnri.kss/my_first_knowbot"),
-	("Launch-Date", "Mon Feb 12 16:39:03 EST 1996"),
-	]
+        ("Interpreter", "python"),
+        ("Interpreter-Version", "1.3"),
+        ("Owner-Name", "Barry Warsaw"),
+        ("Owner-Rendezvous", "bwarsaw@cnri.reston.va.us"),
+        ("Home-KSS", "kss.cnri.reston.va.us"),
+        ("Identifier", "hdl://cnri.kss/my_first_knowbot"),
+        ("Launch-Date", "Mon Feb 12 16:39:03 EST 1996"),
+        ]
 
 COMPLEX_METADATA = [
-	("Metadata-Type", "complex"),
-	("Metadata-Key", "connection"),
-	("Access", "read-only"),
-	("Connection-Description", "Barry's Big Bass Business"),
-	("Connection-Id", "B4"),
-	("Connection-Direction", "client"),
-	]
+        ("Metadata-Type", "complex"),
+        ("Metadata-Key", "connection"),
+        ("Access", "read-only"),
+        ("Connection-Description", "Barry's Big Bass Business"),
+        ("Connection-Id", "B4"),
+        ("Connection-Direction", "client"),
+        ]
 
 EXTERNAL_METADATA = [
-	("Metadata-Type", "complex"),
-	("Metadata-Key", "generic-interface"),
-	("Access", "read-only"),
-	("Connection-Description", "Generic Interface for All Knowbots"),
-	("Connection-Id", "generic-kp"),
-	("Connection-Direction", "client"),
-	]
+        ("Metadata-Type", "complex"),
+        ("Metadata-Key", "generic-interface"),
+        ("Access", "read-only"),
+        ("Connection-Description", "Generic Interface for All Knowbots"),
+        ("Connection-Id", "generic-kp"),
+        ("Connection-Direction", "client"),
+        ]
 
 
 def main():
@@ -91,7 +91,7 @@
     # Toplevel body parts
     
     f = toplevel.startmultipartbody("knowbot", "801spam999",
-				    [("version", "0.1")], prefix=0)
+                                    [("version", "0.1")], prefix=0)
     f.write("This is a multi-part message in MIME format.\n")
 
     # First toplevel body part: metadata
@@ -106,7 +106,7 @@
     md1.addheader("KP-Access", "read-only")
     m = MimeWriter(md1.startbody("message/rfc822"))
     for key, value in SIMPLE_METADATA:
-	m.addheader("KPMD-" + key, value)
+        m.addheader("KPMD-" + key, value)
     m.flushheaders()
     del md1
 
@@ -114,7 +114,7 @@
 
     md2 = md.nextpart()
     for key, value in COMPLEX_METADATA:
-	md2.addheader("KP-" + key, value)
+        md2.addheader("KP-" + key, value)
     f = md2.startbody("text/isl")
     f.write(SELLER)
     del md2
@@ -123,11 +123,11 @@
 
     md3 = md.nextpart()
     f = md3.startbody("message/external-body",
-		      [("access-type", "URL"),
-		       ("URL", "hdl://cnri.kss/generic-knowbot")])
+                      [("access-type", "URL"),
+                       ("URL", "hdl://cnri.kss/generic-knowbot")])
     m = MimeWriter(f)
     for key, value in EXTERNAL_METADATA:
-	md3.addheader("KP-" + key, value)
+        md3.addheader("KP-" + key, value)
     md3.startbody("text/isl")
     # Phantom body doesn't need to be written