Vamsee Yarlagadda

fix(langchain): addresses compatibility issues with langchains vision API

2

Fixes #8149 ## Checklist - [x] Change(s) are motivated and described in the PR description - [x] Testing strategy is described if automated tests are not included in the PR...

ddtrace langchain code fails to work with vision API calls

8

### Summary of problem ddtrace's LangChain code fails with an error if Message has a nested data structure. OpenAI recently introduced this as part of GPT 4 Vision and it...

Currently `run.py fetch` throws a NPE error if the key is not existent. So we change this by returning an "Empty" string response if the result is null. Test: ```...

[Analyzer] Fix for group_bys with no aggregations

2

Currently Analyzer fails for the configs that has no aggregations defined. This fix should take care of it by making sure the GroupBy doesn't raise a NullPointerException for the group_bys...