Killed the <> operator.  You must now use !=.

Opportunistically also fixed one or two places where '<> None' should be
'is not None' and where 'type(x) <> y' should be 'not isinstance(x, y)'.
diff --git a/Lib/email/quoprimime.py b/Lib/email/quoprimime.py
index a5658dd..389b276 100644
--- a/Lib/email/quoprimime.py
+++ b/Lib/email/quoprimime.py
@@ -287,7 +287,7 @@
         n = len(line)
         while i < n:
             c = line[i]
-            if c <> '=':
+            if c != '=':
                 decoded += c
                 i += 1
             # Otherwise, c == "=".  Are we at the end of the line?  If so, add