Hi,
I am testing the
[concurrent.interpreters](https://docs.python.org/3.14/library/concurrent.interpreters.html)
feature from Python **3.14rc3** (the latest current rc).
The subinterpreter seems to behave in a surprising way when encountering syntax
errors. For example, in the following code:
```python
from concurrent import interpreters
interpr = interpreters.create()
def exec_catching_errors(code: str) -> None:
try:
interpr.exec(code)
except interpreters.ExecutionFailed as e:
print(f"There was an error: {e}")
print("The function ends")
exec_catching_errors("print(1/0)")
exec_catching_errors("print 1") # this is the surprising line
# the whole script dies with an uncaught SyntaxError
```
- trying to execute "print(1/0)" causes an interpreters.ExecutionFailed that
correctly wraps a ZeroDivisionError.
- trying to execute "print 1" causes a bare SyntaxError, whereas I would have
expected a subclass of interpreters.InterpreterError wrapping the SyntaxError.
Is this intended behaviour, a bug, or something that simply needs to be better
documented?
Thanks
Note: I have also posted this question at
https://github.com/python/cpython/issues/139324. This is my first interaction
with the python devel community and I do not know which is the preferred
channel, sorry for the cross post.
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