Add entry for the inspect module.
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index ca75615..d0ec194 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -80,6 +80,7 @@
 \input{libtypes}
 \input{libuserdict}
 \input{liboperator}
+\input{libinspect}
 \input{libtraceback}
 \input{liblinecache}
 \input{libpickle}