paulg

1. use latest stable_baseline3 2. fix (prev_cost + additional_cost) / (self.shares_held + shares_bought) where self.shares_held + shares_bought =0 divided exception (np warning) 3. replaced obsoleted lib mpl_finance and matplotlib.mdates

### Search before asking - [X] I had searched in the [issues](https://github.com/eosphoros-ai/DB-GPT/issues?q=is%3Aissue) and found no similar feature requirement. ### Description For the purposes of improved security, historical conversation tracking, and...

bug fix and testcase for i18n

6

1. created i18n.json combining el and en json into language type. this will help feature add any other new language. 2. modified i18n.py to get language set first. fixed tools...

This is a test issue

This is a test issue