#21225: copy docstrings from base classes
diff --git a/Lib/io.py b/Lib/io.py
index 39878b8..8d68f1e 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -70,16 +70,16 @@
# Method descriptions and default implementations are inherited from the C
# version however.
class IOBase(_io._IOBase, metaclass=abc.ABCMeta):
- pass
+ __doc__ = _io._IOBase.__doc__
class RawIOBase(_io._RawIOBase, IOBase):
- pass
+ __doc__ = _io._RawIOBase.__doc__
class BufferedIOBase(_io._BufferedIOBase, IOBase):
- pass
+ __doc__ = _io._BufferedIOBase.__doc__
class TextIOBase(_io._TextIOBase, IOBase):
- pass
+ __doc__ = _io._TextIOBase.__doc__
RawIOBase.register(FileIO)