Fix wrong/incompatible types, code readability

[bact]

• Trie cannot be None, change to Trie([])
  • not Trie([]) is True and can be used to test if a custom_dict is given
• Iterable cannot be None, change to []`
  • not [] is True and can be used to test if a custom_dict is given
• Make Trie an Iterable
• General formatting and imports sorting
• Make variables more readable
• Update docstrings
• Add SPDX license info

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[pep8speaks]

Hello @bact! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file pythainlp/tokenize/han_solo.py:

Line 104:32: E203 whitespace before ':'

• In the file pythainlp/util/phoneme.py:

Line 79:5: W503 line break before binary operator
Line 80:5: W503 line break before binary operator
Line 81:5: W503 line break before binary operator

• In the file pythainlp/util/spell_words.py:

Line 61:21: W503 line break before binary operator
Line 64:21: W503 line break before binary operator

• In the file pythainlp/wsd/core.py:

Line 121:21: W503 line break before binary operator
Line 122:21: W503 line break before binary operator
Line 123:21: W503 line break before binary operator

Comment last updated at 2023-12-07 12:53:55 UTC

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[coveralls]

coverage: 84.089% (-0.08%) from 84.168%
when pulling c098749 on bact:dev
into bf61884 on PyThaiNLP:dev.