Problem: files under chainlibpy/amino are not compatible with flake8 and mypy configuration

[macong-cdc]

Once #40 is merged

1. please change the following configurations in .pre-commit-config.yaml
2. run pre-commit run --all-files
3. change relevant files under chainlibpy/amino directory until pre-commit report no errors

configurations in .pre-commit-config.yaml to be changed

  - id: mypy
    # NOTE: this hook does NOT read "files" and "exclude" configs from mypy configuration files
    files: ^chainlibpy/
-    exclude: ^chainlibpy/(generated/|amino/) # TODO to fix type errors in amino directory
+    exclude: ^chainlibpy/generated/

and

\- repo: https://gitlab.com/pycqa/flake8
  rev: 4.0.1
  hooks:
  - id: flake8
    additional_dependencies:
    - flake8-bugbear
-    # TODO FIX chainlibpy/amino/message.py:284:5: A003 class attribute "id" is shadowing a python builtin
-    # when enable flake8-builtins option
-    # - flake8-builtins
+    # - flake8-builtins
    - flake8-comprehensions