Work on img documentation

git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@2384 5a81b35b-ba03-0410-adc8-b2c5c5119f08

doc/make.py

@@ -61,5 +61,5 @@ def _CollectRstDocs(outdir, dirname, fnames):
       
 for sub_dir in ('modules',):
   os.path.walk(sub_dir, _CollectRstDocs, 'doc/source')
-os.system('sphinx-build -b html -c %s %s %s' % ('doc/conf', 'doc/source', 
-                                                'doc/build'))
\ No newline at end of file
+os.system('sphinx-build-2.6 -b html -c %s %s %s' % ('doc/conf', 'doc/source', 
+                                                'doc/build'))