Update app.py

app.py

@@ -20,7 +20,7 @@ app = FastAPI()
 UPLOAD_DIR = "uploads"
 os.makedirs(UPLOAD_DIR, exist_ok=True)
 
-@app.post("/upload-dropzone/")
+async @app.post("/upload-dropzone/")
 def upload_file(
     file: UploadFile = File(...),
     chunkIndex: int = Form(...),
@@ -37,7 +37,7 @@ def upload_file(
         # Save the chunk
         chunk_path = target_dir / f"{fileName}.part{chunkIndex}"
         with open(chunk_path, "wb") as f:
-            f.write(file.read())
+            f.write(await file.read())
 
         # If it's the last chunk, reconstruct the file
         if chunkIndex + 1 == totalChunks: