Small updates

.travis.yml

@@ -35,7 +35,8 @@ before_install:
   - sudo apt-get install gfortran
 # Install packages
 install:
-  - conda install --yes python=$TRAVIS_PYTHON_VERSION numpy scipy pytest matplotlib nose pytest-pep8 pytest-cov mpmath pil
+  - conda install --yes python=$TRAVIS_PYTHON_VERSION numpy scipy pytest matplotlib nose pytest-pep8 pytest-cov mpmath
+  - pip install pil
   - pip install numdifftools
   - pip install coveralls
   - pip install codecov

wafo/integrate.py

@@ -156,8 +156,9 @@ def romberg(fun, a, b, releps=1e-3, abseps=1e-3):
     -------
     >>> import numpy as np
     >>> [q,err] = romberg(np.sqrt,0,10,0,1e-4)
-    >>> np.allclose([q,err],
+    >>> np.allclose(q, 21.08185107)
-    ...    [ 21.08185107,   6.61635466e-05])
+    True
+    >>> err < 1e-4
     True
     '''
     h = b - a