Ignoring preprocess.py in TravisCI

Author: cemoody

.travis.yml

@@ -28,7 +28,7 @@ script:
     - ls
     - pwd
     - env | sort
-    - py.test --cov=lda2vec tests/ lda2vec
+    - py.test --cov=lda2vec tests/ lda2vec --ignore=lda2vec/preprocess.py
     - # python examples/twenty_newsgroups/lda.py
 after_success:
     - coveralls