diff of py2 and py3 codecs.pyi

gistfile1.txt

$ diff stdlib/2/codecs.pyi stdlib/3/codecs.pyi 
2c2
< # https://docs.python.org/2/library/codecs.html
---
> # https://docs.python.org/3/library/codecs.html
9d8
<     Optional,
18c17
< # str is the raw form and unicode is the cooked form.
---
> # bytes is the raw form and str is the cooked form.
20,21c19,20
< # There *are* str->str and unicode->unicode encodings in the standard library.
< # And unlike python 3, they are in fairly widespread use.
---
> # There *are* bytes->bytes and str->str encodings in the standard library.
> # Python 3.5 supposedly might change something there.
23,24c22,23
< _decoded = unicode
< _encoded = str
---
> _decoded = str
> _encoded = bytes
44,51c43,50
<     def __init__(self, encode: _encode_type, decode: _decode_type, streamreader: _stream_reader_type = ..., streamwriter: _stream_writer_type = ..., incrementalencoder: _incremental_encoder_type = ..., incrementaldecoder: _incremental_decoder_type = ..., name: str = ...) -> None: ...
<     encode = ...  # type: _encode_type
<     decode = ...  # type: _decode_type
<     streamreader = ...  # type: _stream_reader_type
<     streamwriter = ...  # type: _stream_writer_type
<     incrementalencoder = ...  # type: _incremental_encoder_type
<     incrementaldecoder = ...  # type: _incremental_decoder_type
<     name = ...  # type: str
---
>     def __init__(self, encode: _encode_type, decode: _decode_type, streamreader: _stream_reader_type = ..., streamwriter: _stream_writer_type = ..., incrementalencoder: _incremental_encoder_type = ..., incrementaldecoder: _incremental_decoder_type = ..., name: str = ...) -> None:
>         self.encode = encode
>         self.decode = decode
>         self.streamreader = streamreader
>         self.streamwriter = streamwriter
>         self.incrementalencoder = incrementalencoder
>         self.incrementaldecoder = incrementaldecoder
>         self.name = name
72c71
< def EncodedFile(file: BinaryIO, data_encoding: str, file_encoding: str = ..., errors: Optional[str] = ...) -> 'StreamRecoder':
---
> def EncodedFile(file: BinaryIO, data_encoding: str, file_encoding: str = ..., errors: str = ...) -> 'StreamRecoder':
119d117
<     errors = ...  # type: str
121c119
<         ...
---
>         self.errors = errors
134d131
<     errors = ...  # type: str
136c133
<         ...
---
>         self.errors = errors
149d145
<     buffer = ...  # type: str
151c147,148
<         ...
---
>         IncrementalEncoder.__init__(self, errors)
>         self.buffer = ''
158d154
<     buffer = ...  # type: str
160c156,157
<         ...
---
>         IncrementalDecoder.__init__(self, errors)
>         self.buffer = b''
170d166
<     errors = ...  # type: str
172c168
<         ...
---
>         self.errors = errors
181d176
<     errors = ...  # type: str
183c178
<         ...
---
>         self.errors = errors
196,199d190
<     def __enter__(self) -> BinaryIO:
<         ...
<     def __exit__(self, typ, exc, tb) -> bool:
<         ...