diff --git a/doc/nitpick-exceptions.txt b/doc/nitpick-exceptions.txt
index 57129fe961c83fc62de9048e0e138beec7cc3df9..0c98292aad5862130860f289baf13650f36453f9 100644
--- a/doc/nitpick-exceptions.txt
+++ b/doc/nitpick-exceptions.txt
@@ -17,6 +17,7 @@ cpp:type bob::io::base::HDF5File
 
 # exceptions are not found in python 2.7
 py:exc RuntimeError
+py:class tuple
 
 # these don't exists on numpy's manual
 py:class numpy.uint8