问题 Assume a Python package (e.g., MyPackage ) that consists of several modules (e.g., MyModule1.py and MyModule2.py ) and a set of unittests (e.g., in MyPackage_test.py ). . ├── MyPackage │ ├── __init__.py │ ├── MyModule1.py │ └── MyModule2.py ├── README.md ├── requirements.txt ├── setup.py └── tests └── MyPackage_test.py I would like to import functions of MyModule1.py within the unittests of MyPackage_test.py . Specifically, I would like to import the functions both before as well as after