1. ImportError: No module named 'xxx'
2. AttributeError: module 'xxx' has no attribute 'xxx'
3. FileNotFoundError: [Errno 2] No such file or directory: 'xxx'
4. Pyinstaller - failed to execute script xxx
python
# example.py
print("Hello, World!")
shell
$ pyi-makespec example.py
shell
$ pyinstaller example.spec
