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style(python): mark Reader/Writer protocol arguments as position-only

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Using `__`-prefixed names seems to be a convention for specifying
position-only arguments before Python 3.8. Pyright respects this
convention and in fact requires it since version 1.1.192.
This commit is contained in:
matejcik 2021-12-08 10:00:47 +01:00
parent 192abdd83b
commit b343ad3931
1 changed files with 2 additions and 2 deletions
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4
python/src/trezorlib/protobuf.py
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@ -37,7 +37,7 @@ MT = TypeVar("MT", bound="MessageType")
class Reader(Protocol):
def readinto(self, buf: bytearray) -> int:
def readinto(self, __buf: bytearray) -> int:
"""
Reads exactly `len(buffer)` bytes into `buffer`. Returns number of bytes read,
or 0 if it cannot read that much.
@ -46,7 +46,7 @@ class Reader(Protocol):
class Writer(Protocol):
def write(self, buf: bytes) -> int:
def write(self, __buf: bytes) -> int:
"""
Writes all bytes from `buffer`, or raises `EOFError`
"""