adding CI

.travis.yml

@@ -0,0 +1,22 @@
+sudo: required
+language: python
+python:
+  - "3.5"
+  - "3.6"
+
+install:
+  - pip install -e .[torch]
+  - pip install flake8
+
+before_script:
+  # stop the build if there are Python syntax errors or undefined names
+  - flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
+  # exit-zero treats all errors as warnings. Texar limits lines to a maximum of 80 chars. 
+  - flake8 . --count --exit-zero --max-complexity=10 --max-line-length=80 --statistics
+
+script:
+  # units test
+  - pytest
+
+notifications:
+  email: false

README.md

@@ -1,4 +1,7 @@
 
+
+[![Build Status](https://travis-ci.org/ZhitingHu/texar-pytorch.svg?branch=master)](https://travis-ci.org/ZhitingHu/texar-pytorch)
+
 # Texar in Pytorch
 
 The Pytorch version should keep the same with the [TF version](https://github.com/asyml/texar) in terms of: