Explicit doctest call in travis + removed uneffective doctest in test_ot

Author: rtavenar

.travis.yml

@@ -32,5 +32,5 @@ install:
 script:
   - python setup.py develop
   - flake8 examples/ ot/ test/
-  - python -m pytest -v test/ --cov=ot
+  - python -m pytest -v test/ ot/ --doctest-modules --cov=ot
   # - py.test ot test

test/test_ot.py

@@ -14,16 +14,6 @@
 import pytest
 
 
-def test_doctest():
-    import doctest
-
-    # test lp solver
-    doctest.testmod(ot.lp, verbose=True)
-
-    # test bregman solver
-    doctest.testmod(ot.bregman, verbose=True)
-
-
 def test_emd_emd2():
     # test emd and emd2 for simple identity
     n = 100