问题描述
我正在关注一个使用 wxPython 的小型 Python 程序示例,如下所示:
import wx
class MyFrame(wx.Frame):
def __init__(self):
super().__init__(parent=None,title='Hello World')
panel = wx.Panel(self)
self.text_ctrl = wx.TextCtrl(panel,pos=(5,5))
my_btn = wx.Button(panel,label='Press Me',55))
self.Show()
if __name__ == '__main__':
app = wx.App()
frame = MyFrame()
app.MainLoop()
Traceback (most recent call last):
File "/home/float/.local/lib/python3.8/site-packages/wx/__init__.py",line 1,in <module>
import wx
File "/home/float/.local/lib/python3.8/site-packages/wx/__init__.py",line 3,in <module>
class MyFrame(wx.Frame):
AttributeError: partially initialized module 'wx' has no attribute 'Frame' (most likely due to a circular import)
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport_python_hook.py",line 72,in apport_excepthook
from apport.fileutils import likely_packaged,get_recent_crashes
File "/usr/lib/python3/dist-packages/apport/__init__.py",line 5,in <module>
from apport.report import Report
File "/usr/lib/python3/dist-packages/apport/report.py",line 15,in <module>
import xml.dom,xml.dom.minidom
File "/home/float/.local/lib/python3.8/site-packages/wx/xml.py",line 13,in <module>
from ._xml import *
ImportError: attempted relative import with no kNown parent package
Original exception was:
Traceback (most recent call last):
File "/home/float/.local/lib/python3.8/site-packages/wx/__init__.py",in <module>
class MyFrame(wx.Frame):
AttributeError: partially initialized module 'wx' has no attribute 'Frame' (most likely due to a circular import)
我在我的程序中找不到任何“循环导入”,所以我假设这个错误来自 wxPython 库。这个假设正确吗?我该如何解决?
我在 WSL2 (Ubuntu 20) 上运行这个
编辑:问题已通过运行“pip3 install --upgrade --force-reinstall wxPython”解决,但如果可能的话,我想首先知道为什么会发生这种情况。谢谢。
解决方法
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