Remove other references to TimerTornado (unused?)

martinRenou · tacaswell · commit abd9efe2c6f3 · 2021-10-20T17:29:31.000-04:00
diff --git a/lib/matplotlib/backends/backend_nbagg.py b/lib/matplotlib/backends/backend_nbagg.py
@@ -21,8 +21,8 @@
 from matplotlib._pylab_helpers import Gcf
 from matplotlib.backend_bases import _Backend, NavigationToolbar2
 from matplotlib.backends.backend_webagg_core import (
-    FigureCanvasWebAggCore, FigureManagerWebAgg, NavigationToolbar2WebAgg,
-    TimerTornado)
+    FigureCanvasWebAggCore, FigureManagerWebAgg, NavigationToolbar2WebAgg
+)
 
 
 def connection_info():
diff --git a/lib/matplotlib/backends/backend_webagg.py b/lib/matplotlib/backends/backend_webagg.py
@@ -36,7 +36,6 @@
 from matplotlib.backend_bases import _Backend
 from matplotlib._pylab_helpers import Gcf
 from . import backend_webagg_core as core
-from .backend_webagg_core import TimerTornado
 
 
 class ServerThread(threading.Thread):
