NO BUG - Unbust Sphinx docs outside of mach

Trivial update to Python package paths to reflect their new location.

MozReview-Commit-ID: EWaIHrLFWgD

--HG--
extra : rebase_source : b3a033bffe6f8f933807d6e71dccd49c37c75844

tools/docs/conf.py

@@ -16,15 +16,15 @@ topsrcdir = os.path.normpath(os.path.join(OUR_DIR, '..', '..'))
 
 EXTRA_PATHS = (
     'layout/tools/reftest',
-    'python/futures',
-    'python/jsmin',
     'python/mach',
     'python/mozbuild',
     'python/mozversioncontrol',
-    'python/which',
     'testing/mozbase/manifestparser',
     'testing/mozbase/mozfile',
     'testing/mozbase/mozprocess',
+    'third_party/python/futures',
+    'third_party/python/jsmin',
+    'third_party/python/which',
 )
 
 sys.path[:0] = [os.path.join(topsrcdir, p) for p in EXTRA_PATHS]