Hi,

I'm trying to understand how to get sagetex to work properly. I
followed the instructions in the sage installation manual to make
sagetex known to latex. I then created the latex document

\documentclass[11pt]{article}

\usepackage{sagetex}

\begin{document}

We have that $\sin\left(\pi\right)=\sage{sin(pi)}$.

\end{document}

and compiled it using kile. I then ran:

./sage /home/dave/Desktop/HWK7.sage

and got the message

Processing Sage code for HWK7.tex...
Inline formula 0

**** Error in Sage code on line 8 of HWK7.tex! Traceback follows.
Traceback (most recent call last):
  File "/home/dave/Desktop/HWK7.py", line 7, in <module>
    _st_.inline(_sage_const_0 , sin(pi))
  File "/home/dave/sage-4.7.1/local/lib/python2.6/site-packages/
sagetex.py", line 73, in inline
    s.rstrip() + '}{}{}{}{}}\n')
  File "element.pyx", line 328, in
sage.structure.element.Element.__getattr__ (sage/structure/element.c:
2794)
  File "parent.pyx", line 277, in
sage.structure.parent.getattr_from_other_class (sage/structure/
parent.c:2940)
  File "parent.pyx", line 175, in
sage.structure.parent.raise_attribute_error (sage/structure/parent.c:
2709)
AttributeError: 'sage.symbolic.expression.Expression' object has no
attribute 'rstrip'

**** Running Sage on HWK7.sage failed! Fix HWK7.tex and try again.

I'm not sure what is going on here; any idea? I'm running Ubuntu
11.04.


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