fixup! fixup! fixup! fixup! fixup! Test Pyodide builds

Author: HexDecimal

tcod/cffi.py

@@ -58,7 +58,8 @@ def get_sdl_version() -> str:
 verify_dependencies()
 from tcod._libtcod import ffi, lib  # noqa: E402
 
-__sdl_version__ = get_sdl_version()
+if sys.platform != "emscripten":
+    __sdl_version__ = get_sdl_version()
 
 
 @ffi.def_extern()  # type: ignore[misc]