Update for auto pep8 check

.travis.yml

@@ -1,6 +1,20 @@
-language: php
-php:
-  - 5.5
-  - 5.4
-  - hhvm
-script: phpunit Test.php
+language: python
+python:
+    - 3.6
+notifications:
+    email: false
+
+before_install:
+    - sudo apt-get update
+    - sudo apt-get -y install python-pip pyflakes
+    - sudo pip install --upgrade pip
+    - pip install --upgrade pip
+    - pip install pep8
+    - pip install autopep8
+
+script:
+    # Run pep8 on all .py files in all subfolders
+    # (I ignore "E402: module level import not at top of file"
+    # because of use case sys.path.append('..'); import <module>)
+    - find . -name \*.py -exec pep8 --ignore=E402 {} +
+    - find . -name \*.py -exec pyflakes {} +

test.py

@@ -0,0 +1,4 @@
+import numpy as np
+
+# hoge
+np.random.seed(42)