title: Turtle bgpic() not displaying image and giving me these error messages…?
body: <p>I am trying to get Turtle-graphics to display a background image.</p>
  
  <p>Here's my code:</p>
  
  <pre><code>import turtle
  from turtle import *
  from appJar import gui
  ...
  turtle.setup(900,700)       #windowsize
  Ian = turtle.Turtle()
  Ian.hideturtle()
  Ian.screen.title("Arp Convertor")
  Ian.screen.bgcolor("#4a4a54")           
  Ian.screen.bgpic('Backwslots2.gif')
  Ian.speed(0)
  Ian.penup()                             #dont draw
  Ian.goto(-430,250)                      #where we'll start drawing
  </code></pre>
  
  <p>My image is the right size, exactly 900x700 in the current dir (same as my .py file).   But the bgpic() line is giving me these errors.  </p>
  
  <pre><code>&gt; Exception in Tkinter callback Traceback (most recent call last):  
  &gt; File
  &gt; "C:\Users\Ian\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py",
  &gt; line 1705, in __call__
  &gt;     return self.func(*args)   File "D:\Midipy\appJar\appjar.py", line 3574, in &lt;lambda&gt;
  &gt;     return lambda *args: funcName(param)   File "midipy.py", line 21, in openthefile
  &gt;     convertthefile(btn)   File "midipy.py", line 141, in convertthefile
  &gt;     Ian.screen.bgpic('Backwslots2.gif')   File "C:\Users\Ian\AppData\Local\Programs\Python\Python37-32\lib\turtle.py",
  &gt; line 1482, in bgpic
  &gt;     self._setbgpic(self._bgpic, self._bgpics[picname])   File "C:\Users\Ian\AppData\Local\Programs\Python\Python37-32\lib\turtle.py",
  &gt; line 738, in _setbgpic
  &gt;     self.cv.itemconfig(item, image=image)
  </code></pre>