bpo-34457: Python/ast.c: Add missing NULL check to alias_for_import_name(). (GH-8852)


Reported by Svace static analyzer.
(cherry picked from commit 28853a249b1d0c890b7e9ca345290bb8c1756446)

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
1 file changed