Update app.py

app.py

@@ -4,9 +4,7 @@ from fastapi.middleware.cors import CORSMiddleware
 import shutil
 import os
 from uuid import uuid4
-from marker.converters.pdf import PdfConverter
-from marker.models import create_model_dict
-from marker.output import text_from_rendered
+from docling.document_converter import DocumentConverter
 from threading import Lock
 
 app = FastAPI()
@@ -35,12 +33,12 @@ class PdfConverterSingleton:
         return cls._instance
 
     def _initialize(self):
-        self.converter = PdfConverter(artifact_dict=create_model_dict())
+        self.converter = DocumentConverter()
 
     def get_text(self, pdf_path: str) -> str:
-        rendered = self.converter(pdf_path)
-        text, _, _ = text_from_rendered(rendered)
-        return str(text)
+        result = self.converter.convert(pdf_path)
+        
+        return result.document.export_to_markdown()
 
 # API function to call converter
 def extract_text_from_pdf(pdf_path: str) -> str: