```batchfile
call \ned\bin\switchpy 23
python setup.py develop
nosetests
call \ned\bin\switchpy 24
python setup.py develop
nosetests
call \ned\bin\switchpy 25
python setup.py develop
nosetests
call \ned\bin\switchpy 26
python setup.py develop
nosetests
```

Test the code without a C extension.
user
```batchfile
call \ned\bin\switchpy 23
python setup.py develop
nosetests
del coverage\tracer.pyd
nosetests
call \ned\bin\switchpy 24
python setup.py develop
nosetests
del coverage\tracer.pyd
nosetests
call \ned\bin\switchpy 25
python setup.py develop
nosetests
del coverage\tracer.pyd
nosetests
call \ned\bin\switchpy 26
python setup.py develop
nosetests
del coverage\tracer.pyd
nosetests
```
assistant