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Title: [3.13] gh-78724: Raise RuntimeError's when calling methods on non-ready Struct()'s (GH-143643) by skirpichev · Pull Request #143714 · python/cpython · GitHub

Open Graph Title: [3.13] gh-78724: Raise RuntimeError's when calling methods on non-ready Struct()'s (GH-143643) by skirpichev · Pull Request #143714 · python/cpython

X Title: [3.13] gh-78724: Raise RuntimeError's when calling methods on non-ready Struct()'s (GH-143643) by skirpichev · Pull Request #143714 · python/cpython

Description: (cherry picked from commit 515ae40) Issue: _struct.Struct: calling functions without calling __init__ results in SystemError #78724

Open Graph Description: (cherry picked from commit 515ae40) Issue: _struct.Struct: calling functions without calling __init__ results in SystemError #78724

X Description: (cherry picked from commit 515ae40) Issue: _struct.Struct: calling functions without calling __init__ results in SystemError #78724

Opengraph URL: https://github.com/python/cpython/pull/143714

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og:image:alt(cherry picked from commit 515ae40) Issue: _struct.Struct: calling functions without calling __init__ results in SystemError #78724
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