194 tests fail on Python 3.14

[sarahec]

Typical result:

txi2p-tahoe> ===============================================================================
txi2p-tahoe> [ERROR]
txi2p-tahoe> Traceback (most recent call last):
txi2p-tahoe>   File "/build/source/txi2p/sam/test/test_stream.py", line 316, in test_streamForwardEstablished
txi2p-tahoe>     fac, proto = self.makeProto(session, '')
txi2p-tahoe>   File "/build/source/txi2p/sam/test/util.py", line 136, in makeProto
txi2p-tahoe>     proto = fac.buildProtocol(None)
txi2p-tahoe>   File "/build/source/txi2p/sam/base.py", line 189, in buildProtocol
txi2p-tahoe>     proto = self.protocol()
txi2p-tahoe>   File "/build/source/txi2p/sam/base.py", line 44, in __init__
txi2p-tahoe>     ParserProtocol.__init__(self, *args)
txi2p-tahoe> builtins.TypeError: ParserProtocol.__init__() takes 5 positional arguments but 6 were given
txi2p-tahoe> 
txi2p-tahoe> txi2p.sam.test.test_stream.TestStreamForwardFactory.test_streamForwardEstablished
txi2p-tahoe> ===============================================================================
txi2p-tahoe> [ERROR]
txi2p-tahoe> Traceback (most recent call last):
txi2p-tahoe>   File "/build/source/txi2p/sam/test/test_stream.py", line 275, in test_streamForwardAfterHello
txi2p-tahoe>     fac, proto = self.makeProto()
txi2p-tahoe>   File "/build/source/txi2p/sam/test/util.py", line 38, in makeProto
txi2p-tahoe>     proto = fac.buildProtocol(None)
txi2p-tahoe>   File "/nix/store/94mcds7031f8421y2yl89f90pgfx5qpx-python3.14-twisted-25.5.0/lib/python3.14/site-packages/twisted/internet/protocol.py", line 137, in buildProtocol
txi2p-tahoe>     p = self.protocol()
txi2p-tahoe>   File "/build/source/txi2p/sam/base.py", line 44, in __init__
txi2p-tahoe>     ParserProtocol.__init__(self, *args)
txi2p-tahoe> builtins.TypeError: ParserProtocol.__init__() takes 5 positional arguments but 6 were given
txi2p-tahoe> 
txi2p-tahoe> txi2p.sam.test.test_stream.TestStreamForwardProtocol.test_streamForwardAfterHello
txi2p-tahoe> ===============================================================================
txi2p-tahoe> [ERROR]
txi2p-tahoe> Traceback (most recent call last):
txi2p-tahoe>   File "/build/source/txi2p/sam/test/test_stream.py", line 297, in test_streamForwardEstablishedAfterStreamForward
txi2p-tahoe>     fac, proto = self.makeProto()
txi2p-tahoe>   File "/build/source/txi2p/sam/test/util.py", line 38, in makeProto
txi2p-tahoe>     proto = fac.buildProtocol(None)
txi2p-tahoe>   File "/nix/store/94mcds7031f8421y2yl89f90pgfx5qpx-python3.14-twisted-25.5.0/lib/python3.14/site-packages/twisted/internet/protocol.py", line 137, in buildProtocol
txi2p-tahoe>     p = self.protocol()
txi2p-tahoe>   File "/build/source/txi2p/sam/base.py", line 44, in __init__
txi2p-tahoe>     ParserProtocol.__init__(self, *args)
txi2p-tahoe> builtins.TypeError: ParserProtocol.__init__() takes 5 positional arguments but 6 were given
txi2p-tahoe> 
txi2p-tahoe> txi2p.sam.test.test_stream.TestStreamForwardProtocol.test_streamForwardEstablishedAfterStreamForward
txi2p-tahoe> ===============================================================================
txi2p-tahoe> [ERROR]
txi2p-tahoe> Traceback (most recent call last):
txi2p-tahoe>   File "/build/source/txi2p/sam/test/test_stream.py", line 286, in test_streamForwardReturnsError
txi2p-tahoe>     fac, proto = self.makeProto()
txi2p-tahoe>   File "/build/source/txi2p/sam/test/util.py", line 38, in makeProto
txi2p-tahoe>     proto = fac.buildProtocol(None)
txi2p-tahoe>   File "/nix/store/94mcds7031f8421y2yl89f90pgfx5qpx-python3.14-twisted-25.5.0/lib/python3.14/site-packages/twisted/internet/protocol.py", line 137, in buildProtocol
txi2p-tahoe>     p = self.protocol()
txi2p-tahoe>   File "/build/source/txi2p/sam/base.py", line 44, in __init__
txi2p-tahoe>     ParserProtocol.__init__(self, *args)
txi2p-tahoe> builtins.TypeError: ParserProtocol.__init__() takes 5 positional arguments but 6 were given
txi2p-tahoe> 
txi2p-tahoe> txi2p.sam.test.test_stream.TestStreamForwardProtocol.test_streamForwardReturnsError
txi2p-tahoe> -------------------------------------------------------------------------------
txi2p-tahoe> Ran 263 tests in 0.098s
txi2p-tahoe> 
txi2p-tahoe> FAILED (errors=194, successes=69)