intermediate changes

ref:3aefd89e9e7b983fe6f3e215edc8dbc5ee49f053

contrib/python/wcwidth/.yandex_meta/yamaker.yaml

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+exclude:
+- wcwidth/tests/* # Дублируют содержимое папки tests в корне контриба

contrib/python/wcwidth/tests/__init__.py

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+"""This file intentionally left blank."""

contrib/python/wcwidth/tests/test_core.py

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+{"tables": ["4.1.0", "5.0.0", "5.1.0", "5.2.0", "6.0.0", "6.1.0", "6.2.0", "6.3.0", "7.0.0", "8.0.0", "9.0.0", "10.0.0", "11.0.0", "12.0.0", "12.1.0", "13.0.0"], "package": "0.2.4", "default": "8.0.0"}