Remove 2to3, make Travis tests uniform 2.6/3.3.

.travis.yml

@@ -4,6 +4,7 @@ sudo: false
 language: python
 python:
   - "2.6"
+  - "3.3"
 
 # command to install dependencies
 before_install:
@@ -15,8 +16,8 @@ before_install:
   - conda update --yes conda
 
 install:
-  - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then conda create --yes -q -n pyenv mkl python=2.6 numpy=1.6.2 scipy=0.11 nose=1.1 pyparsing=1.5 pip flake8==2.3 six=1.9.0; fi
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then conda create --yes -q -n pyenv mkl python=3.3 numpy=1.9.1 scipy=0.14.0 nose=1.3.4 pip flake8==2.3 six=1.9.0; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then conda create --yes -q -n pyenv mkl python=2.6 numpy=1.6.2 scipy=0.11 nose=1.1 pyparsing=1.5 pip flake8==2.3 six==1.9.0; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then conda create --yes -q -n pyenv mkl python=3.3 numpy=1.9.1 scipy=0.14.0 nose=1.3.4 pyparsing=1.5 pip flake8==2.3 six==1.9.0; fi
   - source activate pyenv
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install pydot; fi
   - pip install . --no-deps
@@ -29,10 +30,9 @@ env:
   - PART="-e test_basic.py tensor/tests"
 
 matrix:
-  # Explicitly add one part to be run with Python 3, and a complete run in FAST_COMPILE
   include:
     - python: "3.3"
-      env: PART="tensor/tests/test_basic.py tensor/signal compile gof misc tests compat"
+      env: PART="." THEANO_FLAGS="mode=FAST_COMPILE"
     - python: "2.6"
       env: PART="." THEANO_FLAGS="mode=FAST_COMPILE"
 

setup.py

@@ -185,8 +185,6 @@ def do_setup():
               'theano', 'math', 'numerical', 'symbolic', 'blas',
               'numpy', 'gpu', 'autodiff', 'differentiation'
           ]),
-          cmdclass={'build_py': build_py,
-                    'build_scripts': build_scripts}
     )
 if __name__ == "__main__":
     do_setup()