Update main.py

main.py

@@ -17,7 +17,7 @@ client = Client("https://ashrafb-image-to-sketch.hf.space/", hf_token=hf_token)
 @app.post("/upload/")
 async def upload_file(file: UploadFile = File(...)):
     contents = await file.read()
-    result = client.predict(contents, api_name="/predict")
+    result = client.predict(io.BytesIO(contents.encode()), api_name="/predict")  # Encode the string to bytes
     return {"sketch_image": result[0]}
 
 app.mount("/", StaticFiles(directory="static", html=True), name="static")