Can't install Tensorflow Mac

I checked my pip3 & python3 version:

  (tensorflow) MacBook-Pro-de-Hector-2:tensorflow hectoresteban$ pip3 -V
    pip 10.0.1 from /Users/hectoresteban/.virtualenvs/tensorflow/lib/python3.7/site
-packages/pip-10.0.1-py3.7.egg/pip (python 3.7)

(tensorflow) MacBook-Pro-de-Hector-2:tensorflow hectoresteban$ python3 -V
Python 3.7.0

In the virtual environment I am currently using I did:

pip3 install --upgrade https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-1.
9.0-py3-none-any.whl

As the standard way pip3 install tensorflow output the following message:

could not find a version that satisfies the requirement tensorflow (from versions: )

After installed using the first method explained:

(tensorflow) MacBook-Pro-de-Hector-2:tensorflow hectoresteban$ python3
>>> import tensorflow
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/hectoresteban/.virtualenvs/tensorflow/lib/python3.7/site-packages/tensorflow
/__init__.py", line 22, in <module>
    from tensorflow.python import pywrap_tensorflow  # pylint: disable=unused-import
  File "/Users/hectoresteban/.virtualenvs/tensorflow/lib/python3.7/site-packages/tensorflow
/python/__init__.py", line 49, in <module>
    from tensorflow.python import pywrap_tensorflow
  File "/Users/hectoresteban/.virtualenvs/tensorflow/lib/python3.7/site-packages/tensorflow
/python/pywrap_tensorflow.py", line 58, in <module>
    from tensorflow.python.pywrap_tensorflow_internal import *
  File "/Users/hectoresteban/.virtualenvs/tensorflow/lib/python3.7/site-packages/tensorflow
/python/pywrap_tensorflow_internal.py", line 114
    def TFE_ContextOptionsSetAsync(arg1, async):
                                             ^
SyntaxError: invalid syntax

What is the issue? I can download other packages such as numpy but no Tensorflow. (MacOS 10.13.4)


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