convert image to RGB

main.py

@@ -34,7 +34,7 @@ async def ApplyOCR(file: UploadFile):
     try:
         # Read the uploaded image file
         contents = await file.read()
-        image = Image.open(io.BytesIO(contents))
+        image = Image.open(io.BytesIO(contents)).convert("RGB")
 
         pixel_values = config['processor'](image, return_tensors="pt").pixel_values
         generated_ids = config['ocr_model'].generate(pixel_values)