---
lib/matplotlib/backends/backend_agg.py | 2 --
lib/matplotlib/backends/backend_cairo.py | 5 ++--
lib/matplotlib/backends/backend_gdk.py | 9 ---
lib/matplotlib/backends/backend_gtk.py | 7 +++--
lib/matplotlib/backends/backend_gtk3agg.py | 1 -
lib/matplotlib/backends/backend_gtk3cairo.py | 2 --
lib/matplotlib/backends/backend_gtkagg.py | 7 +
lib/matplotlib/backends/backend_gtkcairo.py| 3 ---
lib/matplotlib/backends/backend_macosx.py | 11 +++-
lib/matplotlib/backends/backend_mixed.py | 2 --
lib/matplotlib/backends/backend_nbagg.py | 2 --
lib/matplotlib/backends/backend_pgf.py | 2 --
lib/matplotlib/backends/backend_ps.py | 23 +++-
lib/matplotlib/backends/backend_qt4.py | 36 ++
lib/matplotlib/backends/backend_qt4agg.py | 11
lib/matplotlib/backends/backend_qt5agg.py | 9 ---
lib/matplotlib/backends/backend_svg.py | 12 -
lib/matplotlib/backends/backend_template.py| 4 ---
lib/matplotlib/backends/backend_tkagg.py | 13 +++---
lib/matplotlib/backends/backend_webagg.py | 1 -
lib/matplotlib/backends/backend_webagg_core.py | 4 ---
lib/matplotlib/backends/backend_wx.py | 2 --
lib/matplotlib/backends/backend_wxagg.py | 9 +++
lib/matplotlib/backends/tkagg.py | 3 ---
lib/matplotlib/backends/windowing.py | 2 --
25 files changed, 26 insertions(+), 156 deletions(-)
diff --git a/lib/matplotlib/backends/backend_agg.py
b/lib/matplotlib/backends/backend_agg.py
index 687e52b..a048014 100644
--- a/lib/matplotlib/backends/backend_agg.py
+++ b/lib/matplotlib/backends/backend_agg.py
@@ -22,8 +22,6 @@ TODO:
from __future__ import (absolute_import, division, print_function,
unicode_literals)
-import six
-
import threading
import numpy as np
diff --git a/lib/matplotlib/backends/backend_cairo.py
b/lib/matplotlib/backends/backend_cairo.py
index 5956982..0402a26 100644
--- a/lib/matplotlib/backends/backend_cairo.py
+++ b/lib/matplotlib/backends/backend_cairo.py
@@ -23,7 +23,7 @@ from __future__ import (absolute_import, division,
print_function,
import six
-import os, sys, warnings, gzip
+import sys, warnings, gzip
import numpy as np
@@ -55,11 +55,10 @@ from matplotlib.cbookimport is_string_like
from matplotlib.figure import Figure
from matplotlib.mathtext import MathTextParser
from matplotlib.path import Path
-from matplotlib.transforms import Bbox, Affine2D
+from matplotlib.transforms import Affine2D
from matplotlib.font_manager import ttfFontProperty
_debug = False
-#_debug = True
# Image::color_conv(format) for draw_image()
if sys.byteorder == 'little':
diff --git a/lib/matplotlib/backends/backend_gdk.py
b/lib/matplotlib/backends/backend_gdk.py
index d3e8e5b..51912aa 100644
--- a/lib/matplotlib/backends/backend_gdk.py
+++ b/lib/matplotlib/backends/backend_gdk.py
@@ -1,15 +1,8 @@
from __future__ import (absolute_import, division, print_function,
unicode_literals)
-import six
-
-import math
-import os
-import sys
import warnings
-def fn_name(): return sys._getframe(1).f_code.co_name
-import gobject
import gtk; gdk = gtk.gdk
import pango
pygtk_version_required = (2,2,0)
@@ -23,10 +16,8 @@ import numpy as np
import matplotlib
from matplotlib import rcParams
-from matplotlib._pylab_helpers import Gcf
from matplotlib.backend_bases import RendererBase, GraphicsContextBase, \
FigureManagerBase, FigureCanvasBase
-from matplotlib.cbook import is_string_like
from matplotlib.figure import Figure
from matplotlib.mathtext import MathTextParser
from matplotlib.transforms import Affine2D
diff --git a/lib/matplotlib/backends/backend_gtk.py
b/lib/matplotlib/backends/backend_gtk.py
index 1a6ee31..9febd7a 100644
--- a/lib/matplotlib/backends/backend_gtk.py
+++ b/lib/matplotlib/backends/backend_gtk.py
@@ -29,11 +29,11 @@ _new_tooltip_api = (gtk.pygtk_version[1] >= 12)
import matplotlib
from matplotlib._pylab_helpers import Gcf
-from matplotlib.backend_bases import RendererBase, GraphicsContextBase, \
- FigureManagerBase, FigureCanvasBase, NavigationToolbar2, cursors,
TimerBase
+from matplotlib.backend_bases import (FigureManagerBase, FigureCanvasBase,
+ NavigationToolbar2, cursors, TimerBase)
from matplotlib.backend_bases import ShowBase
-from matplotlib.backends.backend_gdk import RendererGDK, FigureCanvasGDK
+from matplotlib.backends.backend_gdk import RendererGDK
from matplotlib.cbook import is_string_like, is_writable_file_like
from matplotlib.colors import colorConverter
from matplotlib.figure import Figure
@@ -48,7 +48,6 @@ from matplotlib import rcParams
backend_version = "%d.%d.%d" % gtk.pygtk_version
_debug = False
-#_debug = True
# the true dots per inch on the screen; should be
