Update app.py

app.py

@@ -117,11 +117,9 @@ def perform_ocr_file(file_obj: Any) -> Tuple[str, str, Dict[str, str]]:
                     file_content = f.read()
                 
                 logger.info(f"Uploading PDF {file_name} to Mistral...")
-                files = {
-                    "file": (file_name, file_content, "application/pdf")
-                }
                 uploaded_pdf = client.files.upload(
-                    file=files["file"],
+                    file=file_content,
+                    filename=file_name,
                     purpose="ocr"
                 )
                 uploaded_file_id = uploaded_pdf.id