[ie/subsplash] fixed formatting in _extractors.py imports

yt_dlp/extractor/_extractors.py

@@ -1977,7 +1977,10 @@ from .streetvoice import StreetVoiceIE
 from .stretchinternet import StretchInternetIE
 from .stripchat import StripchatIE
 from .stv import STVPlayerIE
-from .subsplash import SubsplashPlaylistIE, SubsplashVideoIE
+from .subsplash import (
+    SubsplashPlaylistIE,
+    SubsplashVideoIE,
+)
 from .substack import SubstackIE
 from .sunporno import SunPornoIE
 from .sverigesradio import (