diff --git a/.appveyor.yml b/.appveyor.yml
index 2b7af1b..6571d6b 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,15 +1,19 @@
+image:
+  - Visual Studio 2022
 environment:
   matrix:
-    - PYTHON: "C:\\PYTHON34"
-    - PYTHON: "C:\\PYTHON35"
-    - PYTHON: "C:\\PYTHON36"
-    - PYTHON: "C:\\PYTHON37"
-    - PYTHON: "C:\\PYTHON38"
+    - PYTHON: "C:\\PYTHON36-x64"
+    - PYTHON: "C:\\PYTHON37-x64"
+    - PYTHON: "C:\\PYTHON38-x64"
+    - PYTHON: "C:\\PYTHON39-x64"
+    - PYTHON: "C:\\PYTHON310-x64"
+    - PYTHON: "C:\\PYTHON311-x64"
 install:
-  - "%PYTHON%\\python.exe -m pip install codecov coverage nose pillow pynput babel"
+  - "%PYTHON%\\python.exe -m pip install --upgrade pip setuptools wheel"
+  - "%PYTHON%\\python.exe -m pip install codecov coverage nose nose-exclude pillow pynput babel"
 build: off
 test_script:
   - "%PYTHON%\\python.exe -m pip install ."
-  - "%PYTHON%\\python.exe -m nose --with-coverage"
+  - "%PYTHON%\\python.exe -m nose --with-coverage --exclude-dir=/babel --exclude-dir=/pytz --exclude-dir=/tkinter"
 after_test:
   - "%PYTHON%\\Scripts\\codecov.exe"
diff --git a/tests/test_calendar.py b/tests/test_calendar.py
index 121b504..8cbb318 100644
--- a/tests/test_calendar.py
+++ b/tests/test_calendar.py
@@ -224,8 +224,7 @@ def test_calendar_buttons_functions(self):
 
     def test_calendar_textvariable(self):
         var = tk.StringVar(self.window)
-        widget = Calendar(self.window, selectmode='day',
-                          year=2015, month=1, day=3, textvariable=var)
+        widget = Calendar(self.window, selectmode='day', year=2015, month=1, day=3, textvariable=var)
         widget.pack()
         self.window.update()
         self.assertEqual('', var.get())
@@ -267,8 +266,7 @@ def test_calendar_textvariable(self):
         self.assertEqual('', var.get())
 
         widget.destroy()
-        widget = Calendar(self.window, selectmode='day', locale='en_US',
-                          textvariable=var)
+        widget = Calendar(self.window, selectmode='day', locale='en_US', textvariable=var)
         widget.pack()
         self.window.update()
         widget.selection_set(date(2018, 1, 2))
diff --git a/tkcalendar/calendar_.py b/tkcalendar/calendar_.py
index b3cecab..e32f6e4 100644
--- a/tkcalendar/calendar_.py
+++ b/tkcalendar/calendar_.py
@@ -23,7 +23,6 @@
 Calendar widget
 """
 
-
 import calendar
 try:
     from tkinter import ttk