fix hyperopt version (#1625)

README.md

@@ -232,7 +232,7 @@ For NNI on Windows, please refer to [NNI on Windows](docs/en_US/Tutorial/NniOnWi
 
 **Verify install**
 
-The following example is an experiment built on TensorFlow. Make sure you have **TensorFlow installed** before running it.
+The following example is an experiment built on TensorFlow. Make sure you have **TensorFlow 1.x installed** before running it. Note that **currently Tensorflow 2.0 is NOT supported**.
 
 * Download the examples via clone the source code.
 

deployment/pypi/setup.py

@@ -73,7 +73,7 @@ setuptools.setup(
         'requests',
         'astor',
         'PythonWebHDFS',
-        'hyperopt',
+        'hyperopt==0.1.2',
         'json_tricks',
         'numpy',
         'scipy',

setup.py

@@ -48,7 +48,7 @@ setup(
     python_requires = '>=3.5',
     install_requires = [
         'astor',
-        'hyperopt',
+        'hyperopt==0.1.2',
         'json_tricks',
         'numpy',
         'psutil',

src/sdk/pynni/requirements.txt

@@ -4,7 +4,7 @@ json_tricks
 # hyperopt tuner
 numpy
 scipy
-hyperopt
+hyperopt==0.1.2
 
 # metis tuner
 sklearn

src/sdk/pynni/setup.py

@@ -32,7 +32,7 @@ setuptools.setup(
 
     python_requires = '>=3.5',
     install_requires = [
-        'hyperopt',
+        'hyperopt==0.1.2',
         'json_tricks',
         'numpy',
         'scipy',