Output of install_tensorflow()

```
> library(tensorflow)
> install_tensorflow()
Creating virtualenv for TensorFlow at ~/.virtualenvs/r-tensorflow
New python executable in /home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
Installing setuptools, pip, wheel...done.
Running virtualenv with interpreter /usr/bin/python
Installing TensorFlow ...
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
Collecting tensorflow==1.13.1
Using cached https://files.pythonhosted.org/packages/d2/ea/ab2c8c0e81bd051cc1180b104c75a865ab0fc66c89be992c4b20bbf6d624/tensorflow-1.13.1-cp27-cp27mu-manylinux1_x86_64.whl
Collecting h5py
Using cached https://files.pythonhosted.org/packages/53/08/27e4e9a369321862ffdce80ff1770553e9daec65d98befb2e14e7478b698/h5py-2.9.0-cp27-cp27mu-manylinux1_x86_64.whl
Collecting pyyaml
Collecting requests
Using cached https://files.pythonhosted.org/packages/51/bd/23c926cd341ea6b7dd0b2a00aba99ae0f828be89d72b2190f27c11d4b7fb/requests-2.22.0-py2.py3-none-any.whl
Collecting Pillow
Using cached https://files.pythonhosted.org/packages/b6/4b/5adc1109908266554fb978154c797c7d71aba43dd15508d8c1565648f6bc/Pillow-6.0.0-cp27-cp27mu-manylinux1_x86_64.whl
Collecting keras
Using cached https://files.pythonhosted.org/packages/5e/10/aa32dad071ce52b5502266b5c659451cfd6ffcbf14e6c8c4f16c0ff5aaab/Keras-2.2.4-py2.py3-none-any.whl
Collecting tensorflow-hub
Using cached https://files.pythonhosted.org/packages/10/5c/6f3698513cf1cd730a5ea66aec665d213adf9de59b34f362f270e0bd126f/tensorflow_hub-0.4.0-py2.py3-none-any.whl
Collecting tensorflow-probability
Using cached https://files.pythonhosted.org/packages/4e/93/191e42ca27786d6875f74e7b756e34ef42f385f6d250bfc28aa48a1d1072/tensorflow_probability-0.6.0-py2.py3-none-any.whl
Collecting scipy
Using cached https://files.pythonhosted.org/packages/1d/f6/7c16d60aeb3694e5611976cb4f1eaf1c6b7f1e7c55771d691013405a02ea/scipy-1.2.2-cp27-cp27mu-manylinux1_x86_64.whl
Collecting numpy>=1.13.3 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/1f/c7/198496417c9c2f6226616cff7dedf2115a4f4d0276613bab842ec8ac1e23/numpy-1.16.4-cp27-cp27mu-manylinux1_x86_64.whl
Collecting mock>=2.0.0 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/05/d2/f94e68be6b17f46d2c353564da56e6fb89ef09faeeff3313a046cb810ca9/mock-3.0.5-py2.py3-none-any.whl
Collecting tensorflow-estimator<1.14.0rc0,>=1.13.0 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/bb/48/13f49fc3fa0fdf916aa1419013bb8f2ad09674c275b4046d5ee669a46873/tensorflow_estimator-1.13.0-py2.py3-none-any.whl
Collecting astor>=0.6.0 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/d1/4f/950dfae467b384fc96bc6469de25d832534f6b4441033c39f914efd13418/astor-0.8.0-py2.py3-none-any.whl
Collecting backports.weakref>=1.0rc1 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/88/ec/f598b633c3d5ffe267aaada57d961c94fdfa183c5c3ebda2b6d151943db6/backports.weakref-1.0.post1-py2.py3-none-any.whl
Collecting wheel (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/bb/10/44230dd6bf3563b8f227dbf344c908d412ad2ff48066476672f3a72e174e/wheel-0.33.4-py2.py3-none-any.whl
Collecting gast>=0.2.0 (from tensorflow==1.13.1)
Collecting termcolor>=1.1.0 (from tensorflow==1.13.1)
Collecting protobuf>=3.6.1 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/b2/a8/ad407cd2a56a052d92f602e164a9e16bede22079252af0db3838f375b6a8/protobuf-3.8.0-cp27-cp27mu-manylinux1_x86_64.whl
Collecting six>=1.10.0 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl
Collecting keras-applications>=1.0.6 (from tensorflow==1.13.1)
Collecting grpcio>=1.8.6 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/8e/62/448199c50e05526f7fd336d8a87bd83a0c7d92188ae51ebea23aa5f3c37e/grpcio-1.21.1-cp27-cp27mu-manylinux1_x86_64.whl
Collecting absl-py>=0.1.6 (from tensorflow==1.13.1)
Collecting tensorboard<1.14.0,>=1.13.0 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/89/ac/48dd71c2bdc8d31e367f9b72f25ccb3b89bc6b9d664fee21f9a8efa5714d/tensorboard-1.13.1-py2-none-any.whl
Collecting keras-preprocessing>=1.0.5 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/28/6a/8c1f62c37212d9fc441a7e26736df51ce6f0e38455816445471f10da4f0a/Keras_Preprocessing-1.1.0-py2.py3-none-any.whl
Collecting enum34>=1.1.6 (from tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/c5/db/e56e6b4bbac7c4a06de1c50de6fe1ef3810018ae11732a50f15f62c7d050/enum34-1.1.6-py2-none-any.whl
Collecting chardet<3.1.0,>=3.0.2 (from requests)
Using cached https://files.pythonhosted.org/packages/bc/a9/01ffebfb562e4274b6487b4bb1ddec7ca55ec7510b22e4c51f14098443b8/chardet-3.0.4-py2.py3-none-any.whl
Collecting idna<2.9,>=2.5 (from requests)
Using cached https://files.pythonhosted.org/packages/14/2c/cd551d81dbe15200be1cf41cd03869a46fe7226e7450af7a6545bfc474c9/idna-2.8-py2.py3-none-any.whl
Collecting urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 (from requests)
Using cached https://files.pythonhosted.org/packages/e6/60/247f23a7121ae632d62811ba7f273d0e58972d75e58a94d329d51550a47d/urllib3-1.25.3-py2.py3-none-any.whl
Collecting certifi>=2017.4.17 (from requests)
Using cached https://files.pythonhosted.org/packages/60/75/f692a584e85b7eaba0e03827b3d51f45f571c2e793dd731e598828d380aa/certifi-2019.3.9-py2.py3-none-any.whl
Collecting funcsigs>=1; python_version < "3.3" (from mock>=2.0.0->tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/69/cb/f5be453359271714c01b9bd06126eaf2e368f1fddfff30818754b5ac2328/funcsigs-1.0.2-py2.py3-none-any.whl
Collecting setuptools (from protobuf>=3.6.1->tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/ec/51/f45cea425fd5cb0b0380f5b0f048ebc1da5b417e48d304838c02d6288a1e/setuptools-41.0.1-py2.py3-none-any.whl
Collecting futures>=2.2.0; python_version < "3.2" (from grpcio>=1.8.6->tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/2d/99/b2c4e9d5a30f6471e410a146232b4118e697fa3ffc06d6a65efde84debd0/futures-3.2.0-py2-none-any.whl
Collecting werkzeug>=0.11.15 (from tensorboard<1.14.0,>=1.13.0->tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/9f/57/92a497e38161ce40606c27a86759c6b92dd34fcdb33f64171ec559257c02/Werkzeug-0.15.4-py2.py3-none-any.whl
Collecting markdown>=2.6.8 (from tensorboard<1.14.0,>=1.13.0->tensorflow==1.13.1)
Using cached https://files.pythonhosted.org/packages/c0/4e/fd492e91abdc2d2fcb70ef453064d980688762079397f779758e055f6575/Markdown-3.1.1-py2.py3-none-any.whl
ERROR: awscli 1.15.83 has requirement PyYAML<=3.13,>=3.10, but you'll have pyyaml 5.1.1 which is incompatible.
Installing collected packages: numpy, funcsigs, six, mock, enum34, absl-py, tensorflow-estimator, astor, backports.weakref, wheel, gast, termcolor, setuptools, protobuf, h5py, keras-applications, futures, grpcio, werkzeug, markdown, tensorboard, keras-preprocessing, tensorflow, pyyaml, chardet, idna, urllib3, certifi, requests, Pillow, scipy, keras, tensorflow-hub, tensorflow-probability
Successfully installed Pillow-6.0.0 absl-py-0.7.1 astor-0.8.0 backports.weakref-1.0.post1 certifi-2019.3.9 chardet-3.0.4 enum34-1.1.6 funcsigs-1.0.2 futures-3.2.0 gast-0.2.2 grpcio-1.21.1 h5py-2.9.0 idna-2.8 keras-2.2.4 keras-applications-1.0.8 keras-preprocessing-1.1.0 markdown-3.1.1 mock-3.0.5 numpy-1.16.4 protobuf-3.8.0 pyyaml-5.1.1 requests-2.22.0 scipy-1.2.2 setuptools-41.0.1 six-1.12.0 tensorboard-1.13.1 tensorflow-1.13.1 tensorflow-estimator-1.13.0 tensorflow-hub-0.4.0 tensorflow-probability-0.6.0 termcolor-1.1.0 urllib3-1.25.3 werkzeug-0.15.4 wheel-0.33.4
Installation complete.
Restarting R session...
```

Following other commands as stated by you

```
> reticulate::py_discover_config()
python: /home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
libpython: /usr/lib64/python2.7/config/libpython2.7.so
pythonhome: /usr:/usr
virtualenv: /home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/activate_this.py
version: 2.7.15 (default, Nov 28 2018, 22:38:08) [GCC 4.8.5 20150623 (Red Hat 4.8.5-28)]
numpy: /home/mohammad.kashif/.virtualenvs/r-tensorflow/local/lib64/python2.7/site-packages/numpy
numpy_version: 1.16.4
python versions found:
/home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
/usr/bin/python
/usr/bin/python3
> reticulate::py_config()
python: /home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
libpython: /usr/lib64/python2.7/config/libpython2.7.so
pythonhome: /usr:/usr
virtualenv: /home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/activate_this.py
version: 2.7.15 (default, Nov 28 2018, 22:38:08) [GCC 4.8.5 20150623 (Red Hat 4.8.5-28)]
numpy: /home/mohammad.kashif/.virtualenvs/r-tensorflow/local/lib64/python2.7/site-packages/numpy
numpy_version: 1.16.4
tensorflow: /home/mohammad.kashif/.virtualenvs/r-tensorflow/local/lib/python2.7/site-packages/tensorflow
python versions found:
/home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
/usr/bin/python
/usr/bin/python3
> tensorflow::tf_config()
Installation of TensorFlow not found.
Python environments searched for 'tensorflow' package:
/home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
/usr/bin/python2.7
/usr/bin/python3.5
You can install TensorFlow using the install_tensorflow() function.
```

Although tensorflow is installed it is looking in a separate folder (I think so). Running the pending commands, we have -

```
> library(keras)
> m <- keras_model_sequential()
Error: Installation of TensorFlow not found.
Python environments searched for 'tensorflow' package:
/home/mohammad.kashif/.virtualenvs/r-tensorflow/bin/python
/usr/bin/python2.7
/usr/bin/python3.5
You can install TensorFlow using the install_tensorflow() function.
```