Codebase has many pylint errors

[trentmc]

Background / motivation

Codebase has many pylint errors. Somehow remote CI isn't catching it.

TODO

• get CI to catch them, if possible. Update: it already has it, there's no obvious way to change it
• fix the errors

Appendix: Errors

(venv) trentmc@tlm-macbook: ~/code/df-py $ pylint *
************* Module df_py.util.http_provider
df_py/util/http_provider.py:21:47: E1134: Non-mapping value self.get_request_kwargs() is used in a mapping context (not-a-mapping)
************* Module df_py.util.dftool_module
df_py/util/dftool_module.py:1075:14: E1120: No value for argument 'self' in unbound method call (no-value-for-parameter)
************* Module df_py.util.request
df_py/util/request.py:21:17: I1101: Module 'lru' has no 'LRU' member, but source is unavailable. Consider adding this module to extension-pkg-allow-list if you want to perform analysis based on run-time introspection of living objects. (c-extension-no-member)
************* Module df_py.util.oceantestutil
df_py/util/oceantestutil.py:251:11: E1120: No value for argument 'self' in unbound method call (no-value-for-parameter)
df_py/util/oceantestutil.py:256:8: E1120: No value for argument 'self' in unbound method call (no-value-for-parameter)
************* Module df_py.util.oceanutil
df_py/util/oceanutil.py:359:14: E1120: No value for argument 'values' in unbound method call (no-value-for-parameter)
************* Module df_py
df_py.egg-info/__init__.py:1:0: F0010: error while code parsing: Unable to load file df_py.egg-info/__init__.py:
[Errno 2] No such file or directory: 'df_py.egg-info/__init__.py' (parse-error)