Update main.py

main.py

@@ -15,6 +15,7 @@ import shutil
 import subprocess
 import tempfile
 import time
+import urllib.parse
 import urllib.request
 from contextlib import asynccontextmanager
 from typing import Any
@@ -431,7 +432,6 @@ async def proxy_download(
             content_type   = "video/mp4"
             content_length = None
 
-        import urllib.parse
         ascii_fn    = safe_name.encode("ascii", "ignore").decode() or "video.mp4"
         utf8_fn     = urllib.parse.quote(safe_name.encode("utf-8"))
         content_disp= f"attachment; filename=\"{ascii_fn}\"; filename*=UTF-8''{utf8_fn}"
@@ -540,7 +540,7 @@ async def merge_and_download(
         log.error(f"Merge failed: {e}", exc_info=True)
         raise HTTPException(500, f"فشل دمج الفيديو: {str(e)[:100]}")
 
-    import io, urllib.parse
+    import io
     # RFC 5987: encode non-ASCII filenames so HTTP headers don't crash
     ascii_name  = safe_name.encode("ascii", "ignore").decode() or "video.mp4"
     utf8_encoded= urllib.parse.quote(safe_name.encode("utf-8"))