Update .travis.yml

.travis.yml

@@ -37,15 +37,14 @@ install:
   - conda install pandas
   - conda install cython
   - conda install scikit-learn
-  - pip install python-coveralls
   - pip install cvxopt
   - pip install cvxpy
   - pip install simpleutils
-# command to run tests
+  - pip install coveralls
 script:
   - python setup.py build_ext --line_trace --inplace
   - coverage run --rcfile=./.coveragerc alphamind/tests/test_suite.py
   - coverage report --rcfile=./.coveragerc -i
   - coverage html --rcfile=./.coveragerc -i
 after_success:
-  - coveralls
+  coveralls