[ci] remove unnecessary f-strings

[jameslamb]

Contributes to #161.

Changes

• removes uses of f-strings without any templating

Testing

N/A

Notes

Contributes to #161 because flake8 detected these uses.

./hamilton/function_modifiers.py:323:30: F541 f-string is missing placeholders
./hamilton/function_modifiers.py:1119:21: F541 f-string is missing placeholders
./hamilton/function_modifiers.py:1124:34: F541 f-string is missing placeholders
./hamilton/experimental/h_async.py:114:17: F541 f-string is missing placeholders
./hamilton/experimental/h_async.py:141:17: F541 f-string is missing placeholders
./hamilton/data_quality/default_validators.py:224:30: F541 f-string is missing placeholders
./hamilton/data_quality/default_validators.py:418:13: F541 f-string is missing placeholders
./hamilton/data_quality/pandera_validators.py:23:16: F541 f-string is missing placeholders
./hamilton/dev_utils/deprecation.py:125:27: F541 f-string is missing placeholders
./hamilton/dev_utils/deprecation.py:143:27: F541 f-string is missing placeholders

Fixing such issues and having flake8 catch them is useful because using f-strings with string literals that don't have templating adds a small amount of unnecessary computation.

Checklist

• PR has an informative and human-readable title (this will be pulled into the release notes)
• Changes are limited to a single goal (no scope creep)
• Code can be automatically merged (no conflicts)
• Code passed the pre-commit check & code is left cleaner/nicer than when first encountered.
• Passes all existing automated tests
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future TODOs are captured in comments
• Project documentation has been updated if adding/changing functionality.
• Reviewers requested with the Reviewers tool ➡️

Testing checklist

Python - local testing

• python 3.6
• python 3.7

[skrawcz]

That one ray test is broken -- #189 will fix it.