setup travis

.travis.yml

+dist: trusty
+language: python
+
+install:
+  - pip install flake8
+
+python:
+  - "2.7"
+  - "3.5"
+  - "3.6"
+
+script:
+  - flake8
\ No newline at end of file

setup.py

@@ -106,6 +106,7 @@ if __name__ == '__main__':
         setup_requires=['pytest-runner'],
         tests_require=['pytest'],
         install_requires=[
-            'numpy', 'matplotlib', 'six', 'terminaltables', 'pycocotools'
+            'mmcv', 'numpy', 'matplotlib', 'six', 'terminaltables',
+            'pycocotools'
         ],
         zip_safe=False)