在Windows 10上，Pyinstaller（3.4）打包的GUI出现以下运行时错误。下一步的调试是什么？
主窗口根本没有出现。
...
import imp # PyInstaller PYZ
Traceback (most recent call last):
File "site-packages\PyInstaller\loader\rthooks\pyi_rth_pkgres.py", line 11, in <module>
......
File "imp.py", line 33, in <module>
DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
[8180] Failed to execute script pyi_rth_pkgres