I&#39;m getting this message when trying to find the definition header for skimage.segmentation.slic:<div><br></div><div><div>In [12]: %pdef segmentation.slic</div><div>No definition header found for segmentation.slic</div>

</div><div><br></div><div><div>In [15]: %pdef segmentation.join_segmentations</div><div> segmentation.join_segmentations(s1, s2)</div></div><div><br></div><div>Anyone know why this is? Is this a general feature of Cython functions?</div>