Fix lint

Author: hoodmane

peps/pep-0776.rst

@@ -402,7 +402,7 @@ exceptions. This ensures that any recoverable JavaScript error is caught before
 it unwinds through any WebAssembly frames. All entrypoints to WebAssembly are
 also wrapped with JavaScript try/catch blocks. Any exceptions caught there have
 unwound WebAssembly frames and are thus considered to be fatal errors (though
-there is a special case to handle :func:`~sys.exit()`). This requires foundational
+there is a special case to handle :func:`~sys.exit`). This requires foundational
 integration with the Python/JavaScript foreign function interface.
 
 When the Pyodide runtime catches a fatal exception, it introspects the error to