Switch to codecov

Author: asvetlov

.travis.yml

@@ -23,7 +23,7 @@ install:
   - pip install --upgrade pip wheel
   - pip install --upgrade setuptools
   - pip install -r requirements-ci.txt
-  - pip install coveralls
+  - pip install codecov
   - pip install twine
 
 script:
@@ -35,7 +35,7 @@ script:
     fi
 
 after_success:
-  - coveralls
+  - codecov
   - ./run_docker.sh
 
 env: