2to3: Apply `print` fixer.

Add `print_function` to all `from __future__ import ...` statements
and use the python3 print function syntax everywhere.

Closes #3078.

16 files changed, 16 insertions, 21 deletions

diff --git a/doc/sphinxext/numpydoc/__init__.py b/doc/sphinxext/numpydoc/__init__.py
index 9fa06e37c..0fce2cf74 100644
--- a/doc/sphinxext/numpydoc/__init__.py
+++ b/doc/sphinxext/numpydoc/__init__.py
@@ -1,3 +1,3 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 from .numpydoc import setup
diff --git a/doc/sphinxext/numpydoc/comment_eater.py b/doc/sphinxext/numpydoc/comment_eater.py
index 2c7f4da31..8b57c4b7a 100644
--- a/doc/sphinxext/numpydoc/comment_eater.py
+++ b/doc/sphinxext/numpydoc/comment_eater.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys
 if sys.version_info[0] >= 3:
diff --git a/doc/sphinxext/numpydoc/compiler_unparse.py b/doc/sphinxext/numpydoc/compiler_unparse.py
index c36389d13..7c2001305 100644
--- a/doc/sphinxext/numpydoc/compiler_unparse.py
+++ b/doc/sphinxext/numpydoc/compiler_unparse.py
@@ -10,7 +10,7 @@
     fixme: We may want to move to using _ast trees because the compiler for
            them is about 6 times faster than compiler.compile.
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys
 from compiler.ast import Const, Name, Tuple, Div, Mul, Sub, Add
diff --git a/doc/sphinxext/numpydoc/docscrape.py b/doc/sphinxext/numpydoc/docscrape.py
index 59d3f9734..a36171855 100644
--- a/doc/sphinxext/numpydoc/docscrape.py
+++ b/doc/sphinxext/numpydoc/docscrape.py
@@ -1,9 +1,8 @@
 """Extract reference documentation from the NumPy source tree.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
-import sys
 import inspect
 import textwrap
 import re
@@ -11,10 +10,6 @@ import pydoc
 from warnings import warn
 import collections
 
-if sys.version_info[0] >= 3:
-    from io import StringIO
-else:
-    from io import StringIO
 
 class Reader(object):
     """A line-based string reader.
diff --git a/doc/sphinxext/numpydoc/docscrape_sphinx.py b/doc/sphinxext/numpydoc/docscrape_sphinx.py
index 1248253b3..d202bad34 100644
--- a/doc/sphinxext/numpydoc/docscrape_sphinx.py
+++ b/doc/sphinxext/numpydoc/docscrape_sphinx.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import re, inspect, textwrap, pydoc
 import sphinx
diff --git a/doc/sphinxext/numpydoc/linkcode.py b/doc/sphinxext/numpydoc/linkcode.py
index 986f39384..1ad3ab82c 100644
--- a/doc/sphinxext/numpydoc/linkcode.py
+++ b/doc/sphinxext/numpydoc/linkcode.py
@@ -9,7 +9,7 @@
     :license: BSD, see LICENSE for details.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import warnings
 import collections
diff --git a/doc/sphinxext/numpydoc/numpydoc.py b/doc/sphinxext/numpydoc/numpydoc.py
index d95d476ef..773a87d37 100644
--- a/doc/sphinxext/numpydoc/numpydoc.py
+++ b/doc/sphinxext/numpydoc/numpydoc.py
@@ -15,7 +15,7 @@ It will:
 .. [1] https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sphinx
 import collections
diff --git a/doc/sphinxext/numpydoc/phantom_import.py b/doc/sphinxext/numpydoc/phantom_import.py
index 855068834..9a60b4a35 100644
--- a/doc/sphinxext/numpydoc/phantom_import.py
+++ b/doc/sphinxext/numpydoc/phantom_import.py
@@ -14,7 +14,7 @@ without needing to rebuild the documented module.
 .. [1] http://code.google.com/p/pydocweb
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import imp, sys, compiler, types, os, inspect, re
 
diff --git a/doc/sphinxext/numpydoc/plot_directive.py b/doc/sphinxext/numpydoc/plot_directive.py
index a7f4655ce..2014f8570 100644
--- a/doc/sphinxext/numpydoc/plot_directive.py
+++ b/doc/sphinxext/numpydoc/plot_directive.py
@@ -74,7 +74,7 @@ TODO
   to make them appear side-by-side, or in floats.
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys, os, glob, shutil, imp, warnings, re, textwrap, traceback
 import sphinx
diff --git a/doc/sphinxext/numpydoc/tests/test_docscrape.py b/doc/sphinxext/numpydoc/tests/test_docscrape.py
index 877d33980..60a9749ba 100644
--- a/doc/sphinxext/numpydoc/tests/test_docscrape.py
+++ b/doc/sphinxext/numpydoc/tests/test_docscrape.py
@@ -1,5 +1,5 @@
 # -*- encoding:utf-8 -*-
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import sys, textwrap
 
diff --git a/doc/sphinxext/numpydoc/tests/test_linkcode.py b/doc/sphinxext/numpydoc/tests/test_linkcode.py
index b0c863dd6..340166a48 100644
--- a/doc/sphinxext/numpydoc/tests/test_linkcode.py
+++ b/doc/sphinxext/numpydoc/tests/test_linkcode.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.linkcode
 
diff --git a/doc/sphinxext/numpydoc/tests/test_phantom_import.py b/doc/sphinxext/numpydoc/tests/test_phantom_import.py
index 337db377a..173b5662b 100644
--- a/doc/sphinxext/numpydoc/tests/test_phantom_import.py
+++ b/doc/sphinxext/numpydoc/tests/test_phantom_import.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.phantom_import
 
diff --git a/doc/sphinxext/numpydoc/tests/test_plot_directive.py b/doc/sphinxext/numpydoc/tests/test_plot_directive.py
index 738166424..0e511fcbc 100644
--- a/doc/sphinxext/numpydoc/tests/test_plot_directive.py
+++ b/doc/sphinxext/numpydoc/tests/test_plot_directive.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.plot_directive
 
diff --git a/doc/sphinxext/numpydoc/tests/test_traitsdoc.py b/doc/sphinxext/numpydoc/tests/test_traitsdoc.py
index 882d6f796..d36e5ddbd 100644
--- a/doc/sphinxext/numpydoc/tests/test_traitsdoc.py
+++ b/doc/sphinxext/numpydoc/tests/test_traitsdoc.py
@@ -1,4 +1,4 @@
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import numpydoc.traitsdoc
 
diff --git a/doc/sphinxext/numpydoc/traitsdoc.py b/doc/sphinxext/numpydoc/traitsdoc.py
index 74c226ab4..c5f0e7912 100644
--- a/doc/sphinxext/numpydoc/traitsdoc.py
+++ b/doc/sphinxext/numpydoc/traitsdoc.py
@@ -13,7 +13,7 @@ for Traits is required.
 .. [2] http://code.enthought.com/projects/traits/
 
 """
-from __future__ import division, absolute_import
+from __future__ import division, absolute_import, print_function
 
 import inspect
 import os
diff --git a/doc/sphinxext/setup.py b/doc/sphinxext/setup.py
index a6593aaa6..5b3454b3a 100644
--- a/doc/sphinxext/setup.py
+++ b/doc/sphinxext/setup.py
@@ -1,4 +1,4 @@
-from __future__ import division
+from __future__ import division, print_function
 
 import setuptools
 from distutils.core import setup