pep8 imports and unique axes with custom label

Federico Ariza · Federico Ariza · commit c32a7d2e05a3 · 2017-09-07T18:36:19.000-04:00
diff --git a/lib/matplotlib/backend_tools.py b/lib/matplotlib/backend_tools.py
@@ -15,8 +15,9 @@
 from matplotlib import rcParams
 from matplotlib._pylab_helpers import Gcf
 from matplotlib.table import Table
-import textwrap
 import matplotlib.cbook as cbook
+
+import textwrap
 from weakref import WeakKeyDictionary
 import six
 import time
@@ -1030,7 +1031,10 @@ def __init__(self, *args):
         self.text_axes = None
 
     def enable(self, *args):
-        self.text_axes = self.figure.add_axes((0, 0, 1, 1))
+        # Using custom axes label to prevent reuse of old axes
+        # https://github.com/matplotlib/matplotlib/issues/9024
+        self.text_axes = self.figure.add_axes((0, 0, 1, 1),
+                                              label='help_tool_axes')
         table = Table(self.text_axes, bbox=[0, 0, 1, 1])
         table.edges = 'B'
         self.text_axes.add_table(table)
