Index: doc/sphinxext/only_directives.py
===================================================================
--- doc/sphinxext/only_directives.py	(revision 6828)
+++ doc/sphinxext/only_directives.py	(working copy)
@@ -5,7 +5,10 @@
 
 from docutils.nodes import Body, Element
 from docutils.writers.html4css1 import HTMLTranslator
-from sphinx.latexwriter import LaTeXTranslator
+try:
+    from sphinx.writers.latex import LaTeXTranslator
+except ImportError:
+    from sphinx.latexwriter import LaTeXTranslator
 from docutils.parsers.rst import directives
 
 class html_only(Body, Element):
Index: doc/sphinxext/autosummary.py
===================================================================
--- doc/sphinxext/autosummary.py	(revision 6828)
+++ doc/sphinxext/autosummary.py	(working copy)
@@ -56,7 +56,7 @@
 from docutils.statemachine import ViewList
 from docutils import nodes
 
-import sphinx.addnodes, sphinx.roles, sphinx.builder
+import sphinx.addnodes, sphinx.roles
 from sphinx.util import patfilter
 
 from docscrape_sphinx import get_doc_object