Merge pull request #6299 from nouiz/fix_test

.travis.yml

@@ -39,6 +39,7 @@ install:
   - pip install flake8-future-import parameterized sphinx_rtd_theme
   # nose-exclude plugin allow us to tell nosetests to exclude folder with --exclude-dir=path/to/directory.
   - pip install nose-exclude nose-timer
+  - conda install --yes -q scipy=0.14.0  # Try to reinstall it to fix the problem
 
 jobs:
   include:

theano/gof/tests/test_graph_opt_caching.py

@@ -9,7 +9,8 @@ floatX = 'float32'
 
 def test_graph_opt_caching():
     opt_db_file = os.path.join(theano.config.compiledir, 'optimized_graphs.pkl')
-    os.remove(opt_db_file)
+    if os.path.exists(opt_db_file):
+        os.remove(opt_db_file)
 
     mode = theano.config.mode
     if mode in ["DEBUG_MODE", "DebugMode"]: