Consolidate usage of requests and httpx

[freddyaboulton]

• I have searched to see if a similar issue already exists.
  Minor nit but we use both requests and httpx to make network requests in the library. We use requests for simple get and post requests and httpx for async requests. httpx supports simple requests with the same syntax as the requests library (httpx.get, etc) so we can probably just use httpx.

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[shwethabm]

Hi, I would like to work on this issue. But can you share some more details on this?

[freddyaboulton]

Hi @shwethabm ! We want to switch usage of requests, e.g. requests.get with httpx, e.g. httpx.get. For example, in analytics.py