Update ocr.py

ocr.py

@@ -155,4 +155,11 @@ def delete_files(uuid_str):
     return jsonify({         
         "message": "Files deleted successfully",         
         "deleted_files": deleted_files     
-    }), 200
\ No newline at end of file
+    }), 200
+    
+def is_valid_uuid(uuid_str):
+    try:
+        uuid.UUID(uuid_str)
+        return True
+    except ValueError:
+        return False
\ No newline at end of file