Example:
```
Python 3.9.5 (tags/v3.9.5:0a7dcbd, May 3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import apsw
>>> db = apsw.Connection()
>>> db.execute('create table x(x)')
<newapsw.Cursor object at 0x000001210CFC19A0>
>>> db.beginimmediate()
<newapsw.Cursor object at 0x000001210CFC18E0>
>>> cr = db.execute('insert into x values (1) returning x');
>>> cr
<newapsw.Cursor object at 0x000001210F75F220>
>>> next(cr)
Row(x=1)
>>> db.commit()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python\Lib\site-packages\Local\newapsw.py", line 344, in commit
return self.cursor().execute('COMMIT TRANSACTION;')
File "C:\Python\Lib\site-packages\Local\newapsw.py", line 769, in execute
self.__cursor.execute(sql, newbindings)
apsw.BusyError: BusyError: cannot commit transaction - SQL statements in progress
>>> next(cr)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python\Lib\site-packages\Local\newapsw.py", line 868, in __next__
data = self.__cursor.__next__()
StopIteration
>>> db.commit()
<newapsw.Cursor object at 0x000001210F75F340>
>>>
```