diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index 7fbefbd8b..c9431a6d9 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -165,7 +165,10 @@ from .ccc import CCCIE
 from .ccma import CCMAIE
 from .cctv import CCTVIE
 from .cda import CDAIE
-from .ceskatelevize import CeskaTelevizeIE
+from .ceskatelevize import (
+    CeskaTelevizeIE,
+    CeskaTelevizePoradyIE,
+)
 from .channel9 import Channel9IE
 from .charlierose import CharlieRoseIE
 from .chaturbate import ChaturbateIE
@@ -538,6 +541,7 @@ from .mangomolo import (
 )
 from .matchtv import MatchTVIE
 from .mdr import MDRIE
+from .medici import MediciIE
 from .meipai import MeipaiIE
 from .melonvod import MelonVODIE
 from .meta import METAIE
@@ -980,6 +984,7 @@ from .theplatform import (
 from .thescene import TheSceneIE
 from .thesixtyone import TheSixtyOneIE
 from .thestar import TheStarIE
+from .thesun import TheSunIE
 from .theweatherchannel import TheWeatherChannelIE
 from .thisamericanlife import ThisAmericanLifeIE
 from .thisav import ThisAVIE