<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="FR-CA" link="#0563C1" vlink="#954F72"><div class="m_-3438840105601875809WordSection1"><p class="MsoNormal"><span lang="EN-CA">We would like to block the updating of the pipeline upon an error in the programmable filter (just like a C++ filter).
<span class="HOEnZb"><font color="#888888"><u></u><u></u></font></span></span></p><span class="HOEnZb"><font color="#888888">
<p class="MsoNormal"><br></p></font></span></div></div></blockquote><div><br></div><div>Raising an exception in the Python script should a interupt your script, however from the code I see that that wouln't exactly do what `return 0` in RequestData for C++ filter would. Please feel to report a bug on the issue tracker. Should be fairly easy to address in a future release of ParaView.</div><div><br></div><div>Utkarsh</div></div></div></div>