file structure

usecase/__init__.py

@@ -0,0 +1 @@
+from .sources import Sources

usecase/sources.py

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+import re
+
+from framework import Youtube
+
+
+class Sources:
+    def __init__(self, youtube: Youtube) -> None:
+        self.youtube = youtube
+
+    async def processQuery(self, query: str):
+        return await self.youtube.searchVideo(query)