fix doc bug for referencing old version docstring (#765)

docs/en_US/conf.py

@@ -12,9 +12,9 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
-# import os
-# import sys
-# sys.path.insert(0, os.path.abspath('.'))
+import os
+import sys
+sys.path.insert(0, os.path.abspath('../../src/sdk/pynni'))
 
 from recommonmark.parser import CommonMarkParser
 from recommonmark.transform import AutoStructify

docs/requirements.txt

@@ -4,4 +4,10 @@ sphinx-markdown-tables==0.0.9
 sphinx-rtd-theme==0.4.2
 sphinxcontrib-websupport==1.1.0
 recommonmark==0.5.0
-nni==0.5
\ No newline at end of file
+hyperopt
+json_tricks
+numpy
+scipy
+coverage
+git+https://github.com/QuanluZhang/ConfigSpace.git
+git+https://github.com/QuanluZhang/SMAC3.git