add swap face test

main.py

@@ -111,9 +111,10 @@ async def progress_page():
 
 @app.post("/swapFace")
 async def swapFace(req:swap_req):
-    x = threading.Thread(target=runswap, args=(req.imgurl))
+    x = threading.Thread(target=runswap, args=(str(req.imgurl)))
     x.start()
     return {'msg':'ok'}
+
 def runswap(imgurl):
     sf = swap_face(imgurl)
     result = sf.run()