Python - import

#   example1
#   ├── main.py
#   └── dir2
#       ├── __init__.py
#       ├── converters.py
#       └── other.py

### main.py ###

#from dir2.converters import Uppercase
from dir2.other import Uppercase

print('run main.py')
Uppercase()

### converters.py ###

def Uppercase():
    print('execute Uppercase()')

#### other.py ###

from .converters import Uppercase

print('run other.py')
Uppercase()

### __init__.py ###

# empty