--- a/day1/session1.tex	Wed Oct 28 14:45:51 2009 +0530
+++ b/day1/session1.tex	Wed Oct 28 15:45:57 2009 +0530
@@ -164,12 +164,12 @@
   \includegraphics[height=2in, interpolate=true]{data/firstplot}
     \column{0.8\textwidth}
     \begin{block}{}
-    \small
+    \begin{small}
 \begin{lstlisting}
 In []: x = linspace(0, 2*pi, 51)
 In []: plot(x, sin(x))
 \end{lstlisting}
-    \small
+    \end{small}
     \end{block}
 \end{columns}
 \end{frame}