bpo-40521: Optimize PyUnicode_New(0, maxchar) #21099
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Functions of unicodeobject.c, like PyUnicode_New(), no longer check if the empty Unicode singleton has been initialized or not. Consider that it is always initialized. The Unicode API must not be used before _PyUnicode_Init() or after _PyUnicode_Fini().
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Jun 29, 2020
Functions of unicodeobject.c, like PyUnicode_New(), no longer check if the empty Unicode singleton has been initialized or not. Consider that it is always initialized. The Unicode API must not be used before _PyUnicode_Init() or after _PyUnicode_Fini().
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Functions of unicodeobject.c, like PyUnicode_New(), no longer check
if the empty Unicode singleton has been initialized or not. Consider
that it is always initialized. The Unicode API must not be used
before _PyUnicode_Init() or after _PyUnicode_Fini().
https://bugs.python.org/issue40521