Fixing doc builds (NeuralEnsemble#429)

* First test to move viziphant to the environment.yml

* Back to start

* Update Python

* Remove mpi4py

* Remove pip

* Add mpi4py, viziphant

* Hopefully working version

* Remove viziphant again

* Added deprecated fake_neo objects from neo to allow neo 0.10.0+.

* Fix imports to Python 3.

* Another attempt to fix imports to Python 3.

* Attempt relative import.

* Cross-test with UE analysis test suite.

* Next attempt....

* Remove viziphant to prevent elephant install and new attempt.

* Remove viziphant to prevent elephant install and new attempt.

* Try with a new version number

* Stop trying to fix neo 0.10.0, must be separate.

* Reintroduce viziphant in conda environment.

* Introduce concurrent requirement for neo in environment and use pip install .

* Final beautification measures

.travis.yml

@@ -65,8 +65,8 @@ install:
   - pip -V
   - pip install -r requirements/requirements-tests.txt
   - pip install pytest-cov coveralls
-  - python setup.py install
-  - python -c "import sys; sys.path.remove(''); import elephant; print(elephant.__file__)"
+  - pip install .
+  - python -c "import sys; sys.path.remove(''); import elephant; print(elephant.__file__, elephant.__version__)"
   - python -c "import sys; sys.path.remove(''); from elephant.spade import HAVE_FIM; assert HAVE_FIM"
   - pip list
   - python --version

elephant/VERSION

@@ -1 +1 @@
-0.10.0
+0.10.1

elephant/test/test_neo_tools.py

@@ -6,8 +6,6 @@
 :license: Modified BSD, see LICENSE.txt for details.
 """
 
-from __future__ import division, print_function, unicode_literals
-
 from itertools import chain
 import unittest
 

elephant/test/test_pandas_bridge.py

@@ -6,8 +6,6 @@
 :license: Modified BSD, see LICENSE.txt for details.
 """
 
-from __future__ import division, print_function
-
 import unittest
 import warnings
 from distutils.version import StrictVersion

readthedocs.yml

@@ -19,6 +19,3 @@ python:
               - docs
               - extras
               - tutorials
-        - method: pip
-          path: viziphant
-          # This install is only necessary until viziphant can be put into the tutorials requirements file

requirements/environment.yml

@@ -5,7 +5,6 @@ channels:
 
 dependencies:
   - python>=3.6
-  - pip
   - mpi4py
   - numpy
   - scipy
@@ -15,4 +14,6 @@ dependencies:
   - statsmodels
   - jinja2
   - pip:
-     - -r file:requirements.txt
+    - neo>=0.9.0,<0.10.0
+    - viziphant
+    # neo, viziphant can be removed once it is integrated into requirements-tutorials.txt