求解jupyter上运行turtle出现报错！
本帖最后由 君无泪 于 2021-11-18 15:41 编辑In :
import turtle as t
t.forward(50)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
/data/user/0/ru.iiec.pydroid3/cache/ipykernel_20277/2599089082.py in <module>
1 import turtle as t
2
----> 3 t.forward(50)
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/turtle.py in forward(distance)
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/turtle.py in __init__(self, shape, undobuffersize, visible)
3810 visible=_CFG["visible"]):
3811 if Turtle._screen is None:
-> 3812 Turtle._screen = Screen()
3813 RawTurtle.__init__(self, Turtle._screen,
3814 shape=shape,
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/turtle.py in Screen()
3660 else return the existing one."""
3661 if Turtle._screen is None:
-> 3662 Turtle._screen = _Screen()
3663 return Turtle._screen
3664
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/turtle.py in __init__(self)
3686 leftright = _CFG["leftright"]
3687 topbottom = _CFG["topbottom"]
-> 3688 self._root.setupcanvas(width, height, canvwidth, canvheight)
3689 _Screen._canvas = self._root._getcanvas()
3690 TurtleScreen.__init__(self, _Screen._canvas)
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/turtle.py in setupcanvas(self, width, height, cwidth, cheight)
435
436 def setupcanvas(self, width, height, cwidth, cheight):
--> 437 self._canvas = ScrolledCanvas(self, width, height, cwidth, cheight)
438 self._canvas.pack(expand=1, fill="both")
439
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/turtle.py in __init__(self, master, width, height, canvwidth, canvheight)
335 def __init__(self, master, width=500, height=350,
336 canvwidth=600, canvheight=500):
--> 337 TK.Frame.__init__(self, master, width=width, height=height)
338 self._rootwindow = self.winfo_toplevel()
339 self.width, self.height = width, height
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/tkinter/__init__.py in __init__(self, master, cnf, **kw)
3127 extra = ('-class', cnf['class'])
3128 del cnf['class']
-> 3129 Widget.__init__(self, master, 'frame', cnf, {}, extra)
3130
3131
/data/user/0/ru.iiec.pydroid3/files/aarch64-linux-android/lib/python3.8/tkinter/__init__.py in __init__(self, master, widgetName, cnf, kw, extra)
2575 for k, v in classes:
2576 del cnf
-> 2577 self.tk.call(
2578 (widgetName, self._w) + extra + self._options(cnf))
2579 for k, v in classes:
AttributeError: 'NoneType' object has no attribute 'call'
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