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)'.

Grammar/Grammar

@@ -90,7 +90,7 @@ or_test: and_test ('or' and_test)*
 and_test: not_test ('and' not_test)*
 not_test: 'not' not_test | comparison
 comparison: expr (comp_op expr)*
-comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
+comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'|'is' 'not'
 expr: xor_expr ('|' xor_expr)*
 xor_expr: and_expr ('^' and_expr)*
 and_expr: shift_expr ('&' shift_expr)*

Lib/bsddb/dbtables.py

@@ -453,7 +453,7 @@ class bsdTableDB :
                              # error
                             dataitem = None
                         dataitem = mappings[column](dataitem)
-                        if dataitem <> None:
+                        if dataitem != None:
                             self.db.put(
                                 _data_key(table, column, rowid),
                                 dataitem, txn=txn)

Lib/bsddb/test/test_compat.py

@@ -120,7 +120,7 @@ class CompatibilityTestCase(unittest.TestCase):
             try:
                 rec = f.next()
             except KeyError:
-                assert rec == f.last(), 'Error, last <> last!'
+                assert rec == f.last(), 'Error, last != last!'
                 f.previous()
                 break
             if verbose:

Lib/bsddb/test/test_recno.py

@@ -30,7 +30,7 @@ class SimpleRecnoTestCase(unittest.TestCase):
         try:
             os.remove(self.filename)
         except OSError, e:
-            if e.errno <> errno.EEXIST: raise
+            if e.errno != errno.EEXIST: raise
 
     def test01_basic(self):
         d = db.DB()

Lib/bsddb/test/test_thread.py

@@ -58,7 +58,7 @@ class BaseThreadedTestCase(unittest.TestCase):
         try:
             os.mkdir(homeDir)
         except OSError, e:
-            if e.errno <> errno.EEXIST: raise
+            if e.errno != errno.EEXIST: raise
         self.env = db.DBEnv()
         self.setEnvOpts()
         self.env.open(homeDir, self.envflags | db.DB_CREATE)

Lib/compiler/transformer.py

@@ -618,7 +618,7 @@ class Transformer:
         for i in range(2, len(nodelist), 2):
             nl = nodelist[i-1]
 
-            # comp_op: '<' | '>' | '=' | '>=' | '<=' | '<>' | '!=' | '=='
+            # comp_op: '<' | '>' | '=' | '>=' | '<=' | '!=' | '=='
             #          | 'in' | 'not' 'in' | 'is' | 'is' 'not'
             n = nl[1]
             if n[0] == token.NAME:
@@ -1396,7 +1396,7 @@ _doc_nodes = [
     symbol.power,
     ]
 
-# comp_op: '<' | '>' | '=' | '>=' | '<=' | '<>' | '!=' | '=='
+# comp_op: '<' | '>' | '=' | '>=' | '<=' | '!=' | '=='
 #             | 'in' | 'not' 'in' | 'is' | 'is' 'not'
 _cmp_types = {
     token.LESS : '<',

Lib/email/base64mime.py

@@ -146,7 +146,7 @@ def encode(s, binary=True, maxlinelen=76, eol=NL):
         # BAW: should encode() inherit b2a_base64()'s dubious behavior in
         # adding a newline to the encoded string?
         enc = b2a_base64(s[i:i + max_unencoded])
-        if enc.endswith(NL) and eol <> NL:
+        if enc.endswith(NL) and eol != NL:
             enc = enc[:-1] + eol
         encvec.append(enc)
     return EMPTYSTRING.join(encvec)

Lib/email/charset.py

@@ -250,7 +250,7 @@ class Charset:
         Returns "base64" if self.body_encoding is BASE64.
         Returns "7bit" otherwise.
         """
-        assert self.body_encoding <> SHORTEST
+        assert self.body_encoding != SHORTEST
         if self.body_encoding == QP:
             return 'quoted-printable'
         elif self.body_encoding == BASE64:
@@ -260,7 +260,7 @@ class Charset:
 
     def convert(self, s):
         """Convert a string from the input_codec to the output_codec."""
-        if self.input_codec <> self.output_codec:
+        if self.input_codec != self.output_codec:
             return unicode(s, self.input_codec).encode(self.output_codec)
         else:
             return s

Lib/email/generator.py

@@ -211,7 +211,7 @@ class Generator:
         # doesn't preserve newlines/continuations in headers.  This is no big
         # deal in practice, but turns out to be inconvenient for the unittest
         # suite.
-        if msg.get_boundary() <> boundary:
+        if msg.get_boundary() != boundary:
             msg.set_boundary(boundary)
         # If there's a preamble, write it out, with a trailing CRLF
         if msg.preamble is not None:

Lib/email/header.py

@@ -248,7 +248,7 @@ class Header:
         elif not isinstance(charset, Charset):
             charset = Charset(charset)
         # If the charset is our faux 8bit charset, leave the string unchanged
-        if charset <> '8bit':
+        if charset != '8bit':
             # We need to test that the string can be converted to unicode and
             # back to a byte string, given the input and output codecs of the
             # charset.
@@ -454,7 +454,7 @@ def _split_ascii(s, firstlen, restlen, continuation_ws, splitchars):
                 # If this part is longer than maxlen and we aren't already
                 # splitting on whitespace, try to recursively split this line
                 # on whitespace.
-                if partlen > maxlen and ch <> ' ':
+                if partlen > maxlen and ch != ' ':
                     subl = _split_ascii(part, maxlen, restlen,
                                         continuation_ws, ' ')
                     lines.extend(subl[:-1])

Lib/email/message.py

@@ -252,7 +252,7 @@ class Message:
                             charset=charset.get_output_charset())
         else:
             self.set_param('charset', charset.get_output_charset())
-        if str(charset) <> charset.get_output_charset():
+        if str(charset) != charset.get_output_charset():
             self._payload = charset.body_encode(self._payload)
         if 'Content-Transfer-Encoding' not in self:
             cte = charset.get_body_encoding()
@@ -301,7 +301,7 @@ class Message:
         name = name.lower()
         newheaders = []
         for k, v in self._headers:
-            if k.lower() <> name:
+            if k.lower() != name:
                 newheaders.append((k, v))
         self._headers = newheaders
 
@@ -438,7 +438,7 @@ class Message:
             return self.get_default_type()
         ctype = paramre.split(value)[0].lower().strip()
         # RFC 2045, section 5.2 says if its invalid, use text/plain
-        if ctype.count('/') <> 1:
+        if ctype.count('/') != 1:
             return 'text/plain'
         return ctype
 
@@ -601,7 +601,7 @@ class Message:
                     ctype = append_param
                 else:
                     ctype = SEMISPACE.join([ctype, append_param])
-        if ctype <> self.get(header):
+        if ctype != self.get(header):
             del self[header]
             self[header] = ctype
 
@@ -617,13 +617,13 @@ class Message:
             return
         new_ctype = ''
         for p, v in self.get_params(header=header, unquote=requote):
-            if p.lower() <> param.lower():
+            if p.lower() != param.lower():
                 if not new_ctype:
                     new_ctype = _formatparam(p, v, requote)
                 else:
                     new_ctype = SEMISPACE.join([new_ctype,
                                                 _formatparam(p, v, requote)])
-        if new_ctype <> self.get(header):
+        if new_ctype != self.get(header):
             del self[header]
             self[header] = new_ctype
 

Lib/email/quoprimime.py

@@ -287,7 +287,7 @@ def decode(encoded, eol=NL):
         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

Lib/email/test/test_email.py

@@ -51,7 +51,7 @@ def openfile(filename, mode='r'):
 class TestEmailBase(unittest.TestCase):
     def ndiffAssertEqual(self, first, second):
         """Like failUnlessEqual except use ndiff for readable output."""
-        if first <> second:
+        if first != second:
             sfirst = str(first)
             ssecond = str(second)
             diff = difflib.ndiff(sfirst.splitlines(), ssecond.splitlines())
@@ -2726,7 +2726,7 @@ class TestCharset(unittest.TestCase):
         # Try a charset with None body encoding
         c = Charset('us-ascii')
         eq('hello world', c.body_encode('hello world'))
-        # Try the convert argument, where input codec <> output codec
+        # Try the convert argument, where input codec != output codec
         c = Charset('euc-jp')
         # With apologies to Tokio Kikuchi ;)
         try:

Lib/email/test/test_email_renamed.py

@@ -52,7 +52,7 @@ def openfile(filename, mode='r'):
 class TestEmailBase(unittest.TestCase):
     def ndiffAssertEqual(self, first, second):
         """Like failUnlessEqual except use ndiff for readable output."""
-        if first <> second:
+        if first != second:
             sfirst = str(first)
             ssecond = str(second)
             diff = difflib.ndiff(sfirst.splitlines(), ssecond.splitlines())
@@ -2732,7 +2732,7 @@ class TestCharset(unittest.TestCase):
         # Try a charset with None body encoding
         c = Charset('us-ascii')
         eq('hello world', c.body_encode('hello world'))
-        # Try the convert argument, where input codec <> output codec
+        # Try the convert argument, where input codec != output codec
         c = Charset('euc-jp')
         # With apologies to Tokio Kikuchi ;)
         try:

Lib/logging/__init__.py

@@ -912,7 +912,8 @@ class Manager:
         """
         #for c in ph.loggers:
         for c in ph.loggerMap.keys():
-            if string.find(c.parent.name, alogger.name) <> 0:
+            # XXX Is the following correct?  Shouldn't it be >= 0?
+            if string.find(c.parent.name, alogger.name) != 0:
                 alogger.parent = c.parent
                 c.parent = alogger
 

Lib/plat-mac/FrameWork.py

@@ -602,7 +602,7 @@ class Menu:
     def dispatch(self, id, item, window, event):
         title, shortcut, callback, mtype = self.items[item-1]
         if callback:
-            if not self.bar.parent or type(callback) <> types.StringType:
+            if not self.bar.parent or not isinstance(callback, str):
                 menuhandler = callback
             else:
                 # callback is string
@@ -748,7 +748,7 @@ class Window:
         self.parent = parent
 
     def open(self, bounds=(40, 40, 400, 400), resid=None):
-        if resid <> None:
+        if resid is not None:
             self.wid = GetNewWindow(resid, -1)
         else:
             self.wid = NewWindow(bounds, self.__class__.__name__, 1,
@@ -826,7 +826,7 @@ class Window:
         # If we're not frontmost, select ourselves and wait for
         # the activate event.
         #
-        if MyFrontWindow() <> window:
+        if MyFrontWindow() != window:
             window.SelectWindow()
             return
         # We are. Handle the event.
@@ -875,7 +875,7 @@ class ControlsWindow(Window):
         if DEBUG: print "control hit in", window, "on", control, "; pcode =", pcode
 
     def do_inContent(self, partcode, window, event):
-        if MyFrontWindow() <> window:
+        if MyFrontWindow() != window:
             window.SelectWindow()
             return
         (what, message, when, where, modifiers) = event

Lib/plat-mac/buildtools.py

@@ -192,7 +192,7 @@ def process_common(template, progress, code, rsrcname, destname, is_update,
             'icl8', 'ics4', 'ics8', 'ICN#', 'ics#']
     if not copy_codefragment:
         skiptypes.append('cfrg')
-##  skipowner = (ownertype <> None)
+##  skipowner = (ownertype != None)
 
     # Copy the resources from the template
 

Lib/plat-mac/cfmfile.py

@@ -73,7 +73,7 @@ class CfrgResource:
                 Res.CloseResFile(resref)
                 Res.UseResFile(currentresref)
             self.parse(data)
-            if self.version <> 1:
+            if self.version != 1:
                 raise error, "unknown 'cfrg' resource format"
 
     def parse(self, data):
@@ -143,7 +143,7 @@ class FragmentDescriptor:
         return data
 
     def getfragment(self):
-        if self.where <> 1:
+        if self.where != 1:
             raise error, "can't read fragment, unsupported location"
         f = open(self.path, "rb")
         f.seek(self.offset)
@@ -155,7 +155,7 @@ class FragmentDescriptor:
         return frag
 
     def copydata(self, outfile):
-        if self.where <> 1:
+        if self.where != 1:
             raise error, "can't read fragment, unsupported location"
         infile = open(self.path, "rb")
         if self.length == 0:

Lib/plat-mac/gensuitemodule.py

@@ -169,7 +169,7 @@ def processfile_fromresource(fullname, output=None, basepkgname=None,
             aete = decode(data, verbose)
             aetelist.append((aete, res.GetResInfo()))
     finally:
-        if rf <> cur:
+        if rf != cur:
             CloseResFile(rf)
             UseResFile(cur)
     # switch back (needed for dialogs in Python)
@@ -332,7 +332,7 @@ def getpstr(f, *args):
 def getalign(f):
     if f.tell() & 1:
         c = f.read(1)
-        ##if c <> '\0':
+        ##if c != '\0':
         ##  print align:', repr(c)
 
 def getlist(f, description, getitem):
@@ -779,7 +779,7 @@ class SuiteCompiler:
             if is_enum(a[2]):
                 kname = a[1]
                 ename = a[2][0]
-                if ename <> '****':
+                if ename != '****':
                     fp.write("        aetools.enumsubst(_arguments, %r, _Enum_%s)\n" %
                         (kname, identify(ename)))
                     self.enumsneeded[ename] = 1
@@ -810,7 +810,7 @@ class SuiteCompiler:
         for a in arguments:
             if is_enum(a[2]):
                 ename = a[2][0]
-                if ename <> '****':
+                if ename != '****':
                     self.enumsneeded[ename] = 1
 
 #

Lib/plat-mac/macerrors.py

@@ -1574,7 +1574,7 @@ smFHBlkDispErr  =   -311    #Error occurred during _sDisposePtr (Dispose of FHea
 smFHBlockRdErr  =   -310    #Error occurred during _sGetFHeader.
 smBLFieldBad    =   -309    #ByteLanes field was bad.
 smUnExBusErr    =   -308    #Unexpected BusError
-smResrvErr  =   -307    #Fatal reserved error. Resreved field <> 0.
+smResrvErr  =   -307    #Fatal reserved error. Resreved field != 0.
 smNosInfoArray  =   -306    #No sInfoArray. Memory Mgr error.
 smDisabledSlot  =   -305    #This slot is disabled (-305 use to be smLWTstBad)
 smNoDir =   -304    #Directory offset is Nil

Lib/test/output/test_class

@@ -55,12 +55,10 @@ __eq__: (1,)
 __lt__: (1,)
 __gt__: (1,)
 __ne__: (1,)
-__ne__: (1,)
 __eq__: (1,)
 __gt__: (1,)
 __lt__: (1,)
 __ne__: (1,)
-__ne__: (1,)
 __del__: ()
 __getattr__: ('spam',)
 __setattr__: ('eggs', 'spam, spam, spam and ham')

Lib/test/output/test_tokenize

@@ -108,11 +108,11 @@ test_tokenize
 37,0-37,1:	NL	'\n'
 38,0-38,20:	COMMENT	'# Ordinary integers\n'
 39,0-39,4:	NUMBER	'0xff'
-39,5-39,7:	OP	'<>'
+39,5-39,7:	OP	'!='
 39,8-39,11:	NUMBER	'255'
 39,11-39,12:	NEWLINE	'\n'
 40,0-40,4:	NUMBER	'0377'
-40,5-40,7:	OP	'<>'
+40,5-40,7:	OP	'!='
 40,8-40,11:	NUMBER	'255'
 40,11-40,12:	NEWLINE	'\n'
 41,0-41,10:	NUMBER	'2147483647'
@@ -484,7 +484,7 @@ test_tokenize
 149,2-149,3:	OP	','
 149,4-149,5:	NAME	'y'
 149,5-149,6:	OP	')'
-149,7-149,9:	OP	'<>'
+149,7-149,9:	OP	'!='
 149,10-149,11:	OP	'('
 149,11-149,12:	OP	'{'
 149,12-149,15:	STRING	"'a'"
@@ -513,7 +513,7 @@ test_tokenize
 152,21-152,22:	NUMBER	'1'
 152,23-152,25:	OP	'<='
 152,26-152,27:	NUMBER	'1'
-152,28-152,30:	OP	'<>'
+152,28-152,30:	OP	'!='
 152,31-152,32:	NUMBER	'1'
 152,33-152,35:	OP	'!='
 152,36-152,37:	NUMBER	'1'

Lib/test/test_bsddb3.py

@@ -8,7 +8,7 @@ from test.test_support import requires, verbose, run_suite, unlink
 
 # When running as a script instead of within the regrtest framework, skip the
 # requires test, since it's obvious we want to run them.
-if __name__ <> '__main__':
+if __name__ != '__main__':
     requires('bsddb')
 
 verbose = False

Lib/test/test_class.py

@@ -244,12 +244,10 @@ str(testme)
 testme == 1
 testme < 1
 testme > 1
-testme <> 1
 testme != 1
 1 == testme
 1 < testme
 1 > testme
-1 <> testme
 1 != testme
 
 # This test has to be last (duh.)

Lib/test/test_funcattrs.py

@@ -19,16 +19,16 @@ try:
 except AttributeError: pass
 else: raise TestFailed, 'expected AttributeError'
 
-if b.__dict__ <> {}:
+if b.__dict__ != {}:
     raise TestFailed, 'expected unassigned func.__dict__ to be {}'
 
 b.publish = 1
-if b.publish <> 1:
+if b.publish != 1:
     raise TestFailed, 'function attribute not set to expected value'
 
 docstring = 'its docstring'
 b.__doc__ = docstring
-if b.__doc__ <> docstring:
+if b.__doc__ != docstring:
     raise TestFailed, 'problem with setting __doc__ attribute'
 
 if 'publish' not in dir(b):
@@ -49,7 +49,7 @@ d = {'hello': 'world'}
 b.__dict__ = d
 if b.func_dict is not d:
     raise TestFailed, 'func.__dict__ assignment to dictionary failed'
-if b.hello <> 'world':
+if b.hello != 'world':
     raise TestFailed, 'attribute after func.__dict__ assignment failed'
 
 f1 = F()
@@ -75,13 +75,13 @@ else: raise TestFailed, 'expected AttributeError or TypeError'
 # But setting it explicitly on the underlying function object is okay.
 F.a.im_func.publish = 1
 
-if F.a.publish <> 1:
+if F.a.publish != 1:
     raise TestFailed, 'unbound method attribute not set to expected value'
 
-if f1.a.publish <> 1:
+if f1.a.publish != 1:
     raise TestFailed, 'bound method attribute access did not work'
 
-if f2.a.publish <> 1:
+if f2.a.publish != 1:
     raise TestFailed, 'bound method attribute access did not work'
 
 if 'publish' not in dir(F.a):
@@ -117,7 +117,7 @@ else: raise TestFailed, 'expected TypeError or AttributeError'
 
 F.a.im_func.__dict__ = {'one': 11, 'two': 22, 'three': 33}
 
-if f1.a.two <> 22:
+if f1.a.two != 22:
     raise TestFailed, 'setting __dict__'
 
 from UserDict import UserDict
@@ -128,7 +128,7 @@ try:
 except (AttributeError, TypeError): pass
 else: raise TestFailed
 
-if f2.a.one <> f1.a.one <> F.a.one <> 11:
+if f2.a.one != f1.a.one != F.a.one != 11:
     raise TestFailed
 
 # im_func may not be a Python method!
@@ -136,7 +136,7 @@ import new
 F.id = new.instancemethod(id, None, F)
 
 eff = F()
-if eff.id() <> id(eff):
+if eff.id() != id(eff):
     raise TestFailed
 
 try:

Lib/test/test_grammar.py

@@ -412,7 +412,7 @@ def test_break_continue_loop(extra_burning_oil = 1, count=0):
             continue
         except:
             raise
-    if count > 2 or big_hippo <> 1:
+    if count > 2 or big_hippo != 1:
         print "continue then break in try/except in loop broken!"
 test_break_continue_loop()
 
@@ -586,12 +586,11 @@ if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass
 
 print 'comparison'
 ### comparison: expr (comp_op expr)*
-### comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
+### comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'|'is' 'not'
 if 1: pass
 x = (1 == 1)
 if 1 == 1: pass
 if 1 != 1: pass
-if 1 <> 1: pass
 if 1 < 1: pass
 if 1 > 1: pass
 if 1 <= 1: pass
@@ -600,7 +599,7 @@ if 1 is 1: pass
 if 1 is not 1: pass
 if 1 in (): pass
 if 1 not in (): pass
-if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 != 1 in 1 not in 1 is 1 is not 1: pass
+if 1 < 1 > 1 == 1 >= 1 <= 1 != 1 in 1 not in 1 is 1 is not 1: pass
 
 print 'binary mask ops'
 x = 1 & 1

Lib/test/test_socket.py

@@ -285,7 +285,7 @@ class GeneralModuleTests(unittest.TestCase):
                 orig = sys.getrefcount(__name__)
                 socket.getnameinfo(__name__,0)
             except SystemError:
-                if sys.getrefcount(__name__) <> orig:
+                if sys.getrefcount(__name__) != orig:
                     self.fail("socket.getnameinfo loses a reference")
 
     def testInterpreterCrash(self):

Lib/test/test_wsgiref.py

@@ -515,7 +515,7 @@ class HandlerTests(TestCase):
             "Content-Length: %d\r\n"
             "\r\n%s" % (h.error_status,len(h.error_body),h.error_body))
 
-        self.failUnless(h.stderr.getvalue().find("AssertionError")<>-1)
+        self.failUnless("AssertionError" in h.stderr.getvalue())
 
     def testErrorAfterOutput(self):
         MSG = "Some output has been sent"
@@ -528,7 +528,7 @@ class HandlerTests(TestCase):
         self.assertEqual(h.stdout.getvalue(),
             "Status: 200 OK\r\n"
             "\r\n"+MSG)
-        self.failUnless(h.stderr.getvalue().find("AssertionError")<>-1)
+        self.failUnless("AssertionError" in h.stderr.getvalue())
 
 
     def testHeaderFormats(self):

Lib/test/tokenize_tests.txt

@@ -36,8 +36,8 @@ x = 1 \
 x = 0
 
 # Ordinary integers
-0xff <> 255
-0377 <> 255
+0xff != 255
+0377 != 255
 2147483647   != 017777777777
 -2147483647-1 != 020000000000
 037777777777 != -1
@@ -146,10 +146,10 @@ if 0:
 def d22(a, b, c=1, d=2): pass
 def d01v(a=1, *restt, **restd): pass
 
-(x, y) <> ({'a':1}, {'b':2})
+(x, y) != ({'a':1}, {'b':2})
 
 # comparison
-if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 != 1 in 1 not in 1 is 1 is not 1: pass
+if 1 < 1 > 1 == 1 >= 1 <= 1 != 1 != 1 in 1 not in 1 is 1 is not 1: pass
 
 # binary
 x = 1 & 1

Lib/tokenize.py

@@ -77,7 +77,7 @@ String = group(r"[uU]?[rR]?'[^\n'\\]*(?:\\.[^\n'\\]*)*'",
 # Because of leftmost-then-longest match semantics, be sure to put the
 # longest operators first (e.g., if = came before ==, == would get
 # recognized as two instances of =).
-Operator = group(r"\*\*=?", r">>=?", r"<<=?", r"<>", r"!=",
+Operator = group(r"\*\*=?", r">>=?", r"<<=?", r"!=",
                  r"//=?",
                  r"[+\-*/%&|^=<>]=?",
                  r"~")

Lib/webbrowser.py

@@ -627,7 +627,7 @@ def main():
     for o, a in opts:
         if o == '-n': new_win = 1
         elif o == '-t': new_win = 2
-    if len(args) <> 1:
+    if len(args) != 1:
         print >>sys.stderr, usage
         sys.exit(1)
 

Lib/wsgiref/headers.py

@@ -63,7 +63,7 @@ class Headers:
         Does *not* raise an exception if the header is missing.
         """
         name = name.lower()
-        self._headers[:] = [kv for kv in self._headers if kv[0].lower()<>name]
+        self._headers[:] = [kv for kv in self._headers if kv[0].lower() != name]
 
     def __getitem__(self,name):
         """Get the first header value for 'name'

Lib/wsgiref/util.py

@@ -98,7 +98,7 @@ def shift_path_info(environ):
         return None
 
     path_parts = path_info.split('/')
-    path_parts[1:-1] = [p for p in path_parts[1:-1] if p and p<>'.']
+    path_parts[1:-1] = [p for p in path_parts[1:-1] if p and p != '.']
     name = path_parts[1]
     del path_parts[1]
 

Parser/tokenizer.c

@@ -982,7 +982,6 @@ PyToken_TwoChars(int c1, int c2)
 		break;
 	case '<':
 		switch (c2) {
-		case '>':	return NOTEQUAL;
 		case '=':	return LESSEQUAL;
 		case '<':	return LEFTSHIFT;
 		}

Python/ast.c

@@ -478,7 +478,7 @@ ast_for_augassign(const node *n)
 static cmpop_ty
 ast_for_comp_op(const node *n)
 {
-    /* comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'
+    /* comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'
                |'is' 'not'
     */
     REQ(n, comp_op);