Use pragma: no branch for Protocol stubs to satisfy strict-no-cover

Author: Kludex

src/mcp/client/_transport.py

@@ -15,20 +15,20 @@
 
 
 @runtime_checkable
-class ReadStream(Protocol[T_co]):  # pragma: no cover
+class ReadStream(Protocol[T_co]):  # pragma: no branch
     """Protocol for reading items from a stream.
 
     Both ``MemoryObjectReceiveStream`` and ``ContextReceiveStream`` satisfy
     this protocol.  Consumers that need the sender's context should use
     ``getattr(stream, 'last_context', None)``.
     """
 
-    async def receive(self) -> T_co: ...
-    async def aclose(self) -> None: ...
-    def __aiter__(self) -> ReadStream[T_co]: ...
-    async def __anext__(self) -> T_co: ...
-    async def __aenter__(self) -> Self: ...
-    async def __aexit__(
+    async def receive(self) -> T_co: ...  # pragma: no branch
+    async def aclose(self) -> None: ...  # pragma: no branch
+    def __aiter__(self) -> ReadStream[T_co]: ...  # pragma: no branch
+    async def __anext__(self) -> T_co: ...  # pragma: no branch
+    async def __aenter__(self) -> Self: ...  # pragma: no branch
+    async def __aexit__(  # pragma: no branch
         self,
         exc_type: type[BaseException] | None,
         exc_val: BaseException | None,
@@ -37,17 +37,17 @@ async def __aexit__(
 
 
 @runtime_checkable
-class WriteStream(Protocol[T_contra]):  # pragma: no cover
+class WriteStream(Protocol[T_contra]):  # pragma: no branch
     """Protocol for writing items to a stream.
 
     Both ``MemoryObjectSendStream`` and ``ContextSendStream`` satisfy
     this protocol.
     """
 
-    async def send(self, item: T_contra, /) -> None: ...
-    async def aclose(self) -> None: ...
-    async def __aenter__(self) -> Self: ...
-    async def __aexit__(
+    async def send(self, item: T_contra, /) -> None: ...  # pragma: no branch
+    async def aclose(self) -> None: ...  # pragma: no branch
+    async def __aenter__(self) -> Self: ...  # pragma: no branch
+    async def __aexit__(  # pragma: no branch
         self,
         exc_type: type[BaseException] | None,
         exc_val: BaseException | None,