Support Python 3.14 (#1834)

src/mcp/server/fastmcp/utilities/context_injection.py

@@ -25,7 +25,8 @@ def find_context_parameter(fn: Callable[..., Any]) -> str | None:
     # Get type hints to properly resolve string annotations
     try:
         hints = typing.get_type_hints(fn)
-    except Exception:
+    # TODO(Marcelo): Drop the pragma once https://github.com/coveragepy/coveragepy/issues/1987 is fixed.
+    except Exception:  # pragma: no cover
         # If we can't resolve type hints, we can't find the context parameter
         return None
 

src/mcp/server/session.py

@@ -704,7 +704,5 @@ class ServerSession(
         await self._incoming_message_stream_writer.send(req)
 
     @property
-    def incoming_messages(
-        self,
-    ) -> MemoryObjectReceiveStream[ServerRequestResponder]:
+    def incoming_messages(self) -> MemoryObjectReceiveStream[ServerRequestResponder]:
         return self._incoming_message_stream_reader