Bug: Unable to run tests locally

[isaacbmiller]

Bug: Getting Unable to import dspy when trying to run the new tests

Steps to reproduce:

1. Clone main branch
2. python -m venv .env
3. source .env/bin/activate
4. pip install -r requirements.txt
5. pytest tests/predict/test_predict.py

Alternate steps to reproduce:

1. Clone main branch
2. poetry install
3. poetry shell
4. pytest tests/predict/test_predict.py

This throws a ModuleNotFoundError: No module named 'dspy'

Why does this matter?
2 Reasons:

1. I was going to help Cyrus with part of the backend refactor, but can't test my code locally
2. We can't integrate the tests into CI

Full trace:

==================================================================================== test session starts ====================================================================================
platform darwin -- Python 3.11.4, pytest-7.4.0, pluggy-1.0.0
rootdir: /Users/isaac/Projects/dspy
plugins: anyio-3.5.0
collected 0 items / 1 error                                                                                                                                                                 

========================================================================================== ERRORS ===========================================================================================
______________________________________________________________________ ERROR collecting tests/predict/test_predict.py _______________________________________________________________________
ImportError while importing test module '/Users/isaac/Projects/dspy/tests/predict/test_predict.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
../../anaconda3/lib/python3.11/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
tests/predict/test_predict.py:1: in <module>
    import dspy
E   ModuleNotFoundError: No module named 'dspy'

This could totally be wrong with how I understand local python builds or some other mistake. Regardless, there should be a little section in the readme about how to run the tests, and get the env setup locally for development

[isaacbmiller]

I think it is because we need to add pytest as a dev dependency for poetry

[okhat]

Ahh great catch. Happy to merge any fixes