Add ability to dynamically import namespaces from types in the tsd client

[rogebrd]

Checklist

General Contributing

• Have you read the Code of Conduct and signed the CLA?

Is This a Code Change?

• Non-code related change (markdown/git settings etc)
• Code Change
• Example/Test Code Change

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• Have you ran tox?
• Do the tests pass?

[codecov]

Codecov Report

Merging #235 (60678bb) into main (76986cb) will decrease coverage by 0.07%.
The diff coverage is 19.04%.

❗ Current head 60678bb differs from pull request most recent head 0cbf06d. Consider uploading reports for the commit 0cbf06d to get more accurate results

@@            Coverage Diff             @@
##             main     #235      +/-   ##
==========================================
- Coverage   51.72%   51.64%   -0.08%     
==========================================
  Files          37       37              
  Lines        8370     8390      +20     
  Branches     1786     1789       +3     
==========================================
+ Hits         4329     4333       +4     
- Misses       3727     3743      +16     
  Partials      314      314              

Flag	Coverage Δ
unit	51.64% <19.04%> (-0.08%)	⬇️

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Impacted Files	Coverage Δ
stone/backends/tsd_client.py	55.43% <19.04%> (-9.85%)	⬇️

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[eugeneyche]

Overall looks good; accepting; consider addressing typo comment.

[eugeneyche]

LOL this seems super manual, but I see it used in other places. Have we considered using an actual template language library?

[eugeneyche]

nit: think this comment has a typo