Merge pull request #6717 from nouiz/fix_travis

.travis/travis_install.sh

@@ -12,6 +12,6 @@ fi
 source activate pyenv
 if [[ $TRAVIS_PYTHON_VERSION == '2.7' && $NUMPY_VERSION == '1.9.1' ]]; then conda install --yes -q mkl numpy=1.9.1 scipy=0.14.0 nose=1.3.0 pip flake8=2.3 six=1.9.0 pep8=1.6.2 pyflakes=0.8.1 sphinx=1.5.1 mkl-service libgfortran=1 graphviz; fi
 if [[ $TRAVIS_PYTHON_VERSION == '2.7' && $NUMPY_VERSION == '1.13.1' ]]; then conda install --yes -q mkl numpy=1.13.1 scipy=0.19.1 nose=1.3.0 pip flake8=2.3 six=1.9.0 pep8=1.6.2 pyflakes=0.8.1 sphinx=1.5.1 mkl-service libgfortran=3 graphviz; fi
-if [[ $TRAVIS_PYTHON_VERSION == '3.4' && $NUMPY_VERSION == '1.9.1' ]]; then conda install --yes -q mkl numpy=1.9.1 scipy=0.14.0 nose=1.3.4 pip flake8=2.3 six=1.9.0 pep8=1.6.2 pyflakes=0.8.1 sphinx=1.5.1 mkl-service libgfortran=1 graphviz; fi
+if [[ $TRAVIS_PYTHON_VERSION == '3.4' && $NUMPY_VERSION == '1.9.1' ]]; then conda install --yes -q mkl numpy=1.9.1 scipy=0.14.0 nose=1.3.4 pip flake8=2.3 six=1.9.0 pep8=1.6.2 pyflakes=0.8.1 sphinx=1.5.1 mkl-service libgfortran=1 graphviz pygments=2.1.3; fi
 if [[ $TRAVIS_PYTHON_VERSION == '3.6' && $NUMPY_VERSION == '1.13.1' ]]; then conda install --yes -q mkl numpy=1.13.1 scipy=0.19.1 nose=1.3.7 pip flake8=3.5 six=1.11.0 pep8=1.7.1 pyflakes=1.6.0 sphinx=1.5.1 mkl-service libgfortran=3 graphviz; fi
 source deactivate

theano/tests/test_flake8.py

@@ -38,7 +38,7 @@ __contact__ = "Saizheng Zhang <saizhenglisa..at..gmail.com>"
 # - "ambiguous variable name" (E741)
 #   Redundant error code generated by flake8-future-import module
 ignore = ('E501', 'E123', 'E133', 'FI12', 'FI14', 'FI15', 'FI16', 'FI17',
-          'FI50', 'FI51', 'FI53', 'E305', 'E741')
+          'FI18', 'FI50', 'FI51', 'FI53', 'E305', 'E741')
 
 whitelist_flake8 = [
     "__init__.py",