MNT : Remove NavigationToolbar2QTAgg

Deprecated is matplotlib#2680 / e66039b

Author: tacaswell

doc/api/api_changes/code_removal.rst

@@ -73,3 +73,8 @@ Not used internally and not part of core mission of mpl.
 Remove ``mlab.prepca``
 ----------------------
 Deprecated in 2009.
+
+
+Remove ``NavigationToolbar2QTAgg``
+----------------------------------
+Added no functionality over the base ``NavigationToolbar2Qt``

lib/matplotlib/backends/backend_qt4agg.py

@@ -14,7 +14,7 @@
 import matplotlib
 from matplotlib.figure import Figure
 
-from .backend_qt5agg import NavigationToolbar2QTAgg
+
 from .backend_qt5agg import FigureCanvasQTAggBase
 
 from .backend_agg import FigureCanvasAgg
@@ -27,7 +27,6 @@
 from .backend_qt4 import draw_if_interactive
 from .backend_qt4 import backend_version
 ######
-from matplotlib.cbook import mplDeprecation
 
 DEBUG = False
 

lib/matplotlib/backends/backend_qt5agg.py

@@ -6,12 +6,9 @@
 
 import six
 
-import os  # not used
 import sys
 import ctypes
-import warnings
 
-import matplotlib
 from matplotlib.figure import Figure
 
 from .backend_agg import FigureCanvasAgg
@@ -28,8 +25,6 @@
 ######
 
 
-from matplotlib.cbook import mplDeprecation
-
 DEBUG = False
 
 _decref = ctypes.pythonapi.Py_DecRef
@@ -201,15 +196,5 @@ def __init__(self, figure):
             self._priv_update = self.update
 
 
-class NavigationToolbar2QTAgg(NavigationToolbar2QT):
-    def __init__(*args, **kwargs):
-        warnings.warn('This class has been deprecated in 1.4 ' +
-                      'as it has no additional functionality over ' +
-                      '`NavigationToolbar2QT`.  Please change your code to '
-                      'use `NavigationToolbar2QT` instead',
-                    mplDeprecation)
-        NavigationToolbar2QT.__init__(*args, **kwargs)
-
-
 FigureCanvas = FigureCanvasQTAgg
 FigureManager = FigureManagerQT