Repository: pykeen/pykeen
Issue: AttributeError: 'Module' object has no attribute 'get'
Root cause: Validation Gap

### Describe the bug

(LAND) PS E:\研究生\AND\pre_work\LAND-main\and-kge-main\pykeen-1.4.0> python -m pykeen version
Traceback (most recent call last): 
  File "C:\Users\DELL\.conda\envs\LAND\lib\runpy.py", line 193, in _run_module_as_main 
    "__main__", mod_spec)
  File "C:\Users\DELL\.conda\envs\LAND\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\__main__.py", line 10, in <module>
    from .cli import main
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\cli.py", line 26, in <module>
    from .datasets import datasets as datasets_dict
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\datasets\__init__.py", line 16, in <module>
    from .base import (  # noqa:F401
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\datasets\base.py", line 25, in <module>
    from ..constants import PYKEEN_DATASETS
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\constants.py", line 25, in <module>
    PYKEEN_DATASETS: Path = PYKEEN_MODULE.get('datasets')
AttributeError: 'Module' object has no attribute 'get'

### How to reproduce

installed pykeen1.4.0 and run `python -m pykeen version` in terminal.

### Environment

(LAND) PS E:\研究生\AND\pre_work\LAND-main\and-kge-main\pykeen-1.4.0> python -m pykeen version
Traceback (most recent call last): 
  File "C:\Users\DELL\.conda\envs\LAND\lib\runpy.py", line 193, in _run_module_as_main 
    "__main__", mod_spec)
  File "C:\Users\DELL\.conda\envs\LAND\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\__main__.py", line 10, in <module>
    from .cli import main
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\cli.py", line 26, in <module>
    from .datasets import datasets as datasets_dict
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\datasets\__init__.py", line 16, in <module>
    from .base import (  # noqa:F401
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\datasets\base.py", line 25, in <module>
    from ..constants import PYKEEN_DATASETS
  File "e:\研究生\and\pre_work\land-main\and-kge-main\pykeen-1.4.0\src\pykeen\constants.py", line 25, in <module>
    PYKEEN_DATASETS: Path = PYKEEN_MODULE.get('datasets')
AttributeError: 'Module' object has no attribute 'get'


### Additional information

_No response_

### Issue Template Checks

- [X] This is not a feature request (use a different issue template if it is)
- [X] This is not a question (use the [discussions](https://github.com/pykeen/pykeen/discussions/new) forum instead)
- [X] I've read the text explaining why including environment information is important and understand if I omit this information that my issue will be dismissed

Looks like you're using PyKEEN 1.4.0, please upgrade to the latest version

If you have the same issue after upgrading, please open a new bug request (and it would be great if you could follow the instructions for posting system information / the code you ran)

Note, we can't support old versions of this code