Index: Lib/test/test_mimetypes.py
===================================================================
--- Lib/test/test_mimetypes.py	(revision 76306)
+++ Lib/test/test_mimetypes.py	(revision )
@@ -69,8 +69,6 @@
         # ensure all entries actually come from the Windows registry
         self.original_types_map = mimetypes.types_map.copy()
         mimetypes.types_map.clear()
-        mimetypes.init()
-        self.db = mimetypes.MimeTypes()
 
     def tearDown(self):
         # restore default settings
@@ -81,9 +79,28 @@
         # the original, minimum contents of the MIME database in the
         # Windows registry is undocumented AFAIK.
         # Use file types that should *always* exist:
+        mimetypes.init()
+        db = mimetypes.MimeTypes()
         eq = self.assertEqual
-        eq(self.db.guess_type("foo.txt"), ("text/plain", None))
+        eq(db.guess_type("foo.txt"), ("text/plain", None))
 
+    def test_non_latin(self):
+        import _winreg
+    
+        class MockWinreg(object):
+            def __getattr__(self, name):
+                if name == 'EnumKey':
+                    return lambda key, i: _winreg.EnumKey(key, i) + chr(0xe0)
+                return getattr(_winreg, name)
+
+        mimetypes._winreg = MockWinreg()
+        try:
+            # this used to throw an exception if registry contained non-Latin
+            # characters in mime types (issue #9291)
+            mimetypes.init()
+        finally:
+            mimetypes._winreg = _winreg
+
 def test_main():
     test_support.run_unittest(MimeTypesTestCase,
         Win32MimeTypesTestCase
Index: Lib/mimetypes.py
===================================================================
--- Lib/mimetypes.py	(revision 78037)
+++ Lib/mimetypes.py	(revision )
@@ -248,7 +248,7 @@
                     break
                 try:
                     ctype = ctype.encode(default_encoding) # omit in 3.x!
-                except UnicodeEncodeError:
+                except UnicodeError:
                     pass
                 else:
                     yield ctype