Matplotlib not found in app

Using Streamlit
2

Hey @milappert,

I get the following error when I run your app locally:

ImportError: attempted relative import with no known parent package
2023-06-20 18:54:43.500 Uncaught app exception
Traceback (most recent call last):
  File "/Users/cfrasca/miniconda3/lib/python3.8/site-packages/streamlit/runtime/scriptrunner/script_runner.py", line 552, in _run_script
    exec(code, module.__dict__)
  File "/Users/cfrasca/Desktop/apps/BatteryValueModel/models/__init__.py", line 1, in <module>
    from .battery_value_models import AdvancedBatteryValueModel
ImportError: attempted relative import with no known parent package