diff --git a/.travis.yml b/.travis.yml
index 00fd745..77afc2a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,10 @@
 language: python
 python:
-    - 2.7
-    - 3.6
+    - "3.6"
+    - "3.7"
 
 install:
-    - pip install --pre -e .[tests]
+    - pip install --pre -e .
 
 script:
     - pytest
diff --git a/README.md b/README.md
index 06f6f0d..bab1ab8 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,12 @@ How demanding is the computation? [Check out this paper!](https://arxiv.org/abs/
   - [`augmentation.AdditiveNoise`](#additivenoise)
 
 ## News
+* 20 Feb 2020
+  - Kapre ver 0.1.7
+    - No vanilla Keras dependency
+    - Tensorflow >= 1.15 only
+    - Not tested on Python 2.7 anymore; only on Python 3.6 and 3.7. 
+    
 * 20 Feb 2019
   - Kapre ver 0.1.4
     - Fixed amplitude-to-decibel error as raised in [#46](https://github.com/keunwoochoi/kapre/issues/46)
@@ -40,23 +46,10 @@ How demanding is the computation? [Check out this paper!](https://arxiv.org/abs/
 ## Installation
 ([↑up to contents](#contents))
 
-1. For keras >= 2.0
+Kapre is now working with tensorflow >= 1.15.
+ 
 ```sh
-pip install kapre
-```
-Or,
-```sh
-git clone https://github.com/keunwoochoi/kapre.git
-cd kapre
-python setup.py install
-```
-
-2. For Keras 1.x (note: it is not updated anymore;)
-```sh
-git clone https://github.com/keunwoochoi/kapre.git
-cd kapre
-git checkout a2bde3e
-python setup.py install
+pip install git+https://github.com/keunwoochoi/kapre.git
 ```
 
 ## Usage
diff --git a/kapre/__init__.py b/kapre/__init__.py
index f71648c..4ddaaeb 100644
--- a/kapre/__init__.py
+++ b/kapre/__init__.py
@@ -1,6 +1,4 @@
-from __future__ import absolute_import
-
-__version__ = '0.1.4'
+__version__ = '0.1.7'
 VERSION = __version__
 
 from . import time_frequency
diff --git a/kapre/augmentation.py b/kapre/augmentation.py
index f41510a..01ccb5a 100644
--- a/kapre/augmentation.py
+++ b/kapre/augmentation.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
 import numpy as np
 from tensorflow.keras import backend as K
 from tensorflow.keras.layers import Layer, InputSpec
diff --git a/kapre/backend.py b/kapre/backend.py
index f664123..422d721 100644
--- a/kapre/backend.py
+++ b/kapre/backend.py
@@ -16,8 +16,6 @@
 from tensorflow.keras import backend as K
 import numpy as np
 import librosa
-# Forward compatability to replace xrange
-from builtins import range
 
 EPS = 1e-7
 
diff --git a/kapre/backend_keras.py b/kapre/backend_keras.py
index 1b091d7..8a71974 100644
--- a/kapre/backend_keras.py
+++ b/kapre/backend_keras.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
 import numpy as np
 from tensorflow.keras import backend as K
 
diff --git a/kapre/filterbank.py b/kapre/filterbank.py
index 03fd271..ec088af 100644
--- a/kapre/filterbank.py
+++ b/kapre/filterbank.py
@@ -1,13 +1,8 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
 from tensorflow.keras.layers import Layer
 from tensorflow.keras import backend as K
 from kapre import backend
 
 
-# Todo: Filterbank(); init with mel, log, linear, etc.
-# not parameterised, just a matrix multiplication
-
 class Filterbank(Layer):
     """
     ### `Filterbank`
diff --git a/kapre/time_frequency.py b/kapre/time_frequency.py
index 269003b..fde9616 100644
--- a/kapre/time_frequency.py
+++ b/kapre/time_frequency.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
 import numpy as np
 from tensorflow.keras import backend as K
 from tensorflow.keras.layers import Layer
diff --git a/kapre/utils.py b/kapre/utils.py
index e53c3ba..00adc51 100644
--- a/kapre/utils.py
+++ b/kapre/utils.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
 import numpy as np
 from tensorflow.keras import backend as K
 from tensorflow.keras.layers import Layer
diff --git a/setup.py b/setup.py
index 903a899..5328c95 100644
--- a/setup.py
+++ b/setup.py
@@ -1,24 +1,19 @@
 from setuptools import setup
 
 setup(name='kapre',
-      version='0.1.6',
+      version='0.1.7',
       description='Kapre: Keras Audio Preprocessors. Keras layers for audio pre-processing in deep learning',
       author='Keunwoo Choi',
       url='http://github.com/keunwoochoi/kapre/',
-      # download_url='http://github.com/keunwoochoi/kapre/releases', # TODO
-      author_email='keunwoo.choi@qmul.ac.uk',
+      author_email='gnuchoi@gmail.com',
       license='MIT',
       packages=['kapre'],
-      package_data={'': ['tests/speech_test_file.npz', 'tests/test_audio_mel_g0.npy', 'tests/test_audio_stft_g0.npy']},
+      package_data={'kapre': ['tests/speech_test_file.npz', 'tests/test_audio_mel_g0.npy', 'tests/test_audio_stft_g0.npy']},
       include_package_data=True,
       install_requires=[
         'numpy >= 1.8.0',
         'librosa >= 0.5',
         'tensorflow >= 1.15',
-        'future'
       ],
-      extras_require={
-          'tests': ['tensorflow'],
-       },
       keywords='audio music deep learning keras',
       zip_safe=False)
diff --git a/tests/test_utils.py b/tests/test_utils.py
index f17b1c8..0aeabac 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -4,7 +4,6 @@
 import tensorflow.keras.backend as K
 from tensorflow.keras.backend import image_data_format
 import kapre
-import pdb
 import librosa
 from kapre.utils import AmplitudeToDB, Normalization2D
 
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..836ceb9
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,40 @@
+[tox]
+envlist = py37,python3.6,black
+skipsdist = False
+usedevelop = True
+indexserver =
+    spotify = https://artifactory.spotify.net/artifactory/api/pypi/pypi/simple
+
+[testenv]
+whitelist_externals = python
+
+[testenv:py37]
+basepython = python3.7
+deps =
+    pytest
+commands =
+    py.test {posargs}
+
+[testenv:py36]
+basepython = python3.6
+deps =
+    pytest
+commands =
+    py.test {posargs}
+
+[testenv:black]
+; "black" is a code formatter, much like gofmt. It requires 3.6 or higher.
+; Tingle has 3.6 available to it; but feel free to uncomment the line
+; `ignore_outcome` if it fails. Docs: https://github.com/ambv/black
+;ignore_outcome = true
+basepython = python3.7
+deps = black
+skip_install = true
+commands =
+    ; remove the '--diff' and '--check' flags to automatically write out corrections
+    black --line-length 100 --diff --check --skip-string-normalization --target-version=py37 {toxinidir}/kapre
+    black --line-length 100 --diff --check --skip-string-normalization --target-version=py37 {toxinidir}/tests
+
+; The sections defined below are for configuring specific tools that are used
+; in the above testenvs. Usually, if the tool is ran directly/outside of tox,
+; i.e. `(env) $ pytest`, it will still pick up this configuration.