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Bug #1906063: regression: template function first_non_empty fails if no argument evaluates non-empty

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Charles Haley 2020-11-28 10:00:05 +00:00
parent 91306f57d0
commit ab261d43fa
1 changed files with 1 additions and 0 deletions
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src/calibre/utils/formatter.py
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@ -538,6 +538,7 @@ class _Interpreter(object):
for expr in prog.expression_list: for expr in prog.expression_list:
if v := self.expr(expr): if v := self.expr(expr):
return v return v
return ''
NODE_OPS = { NODE_OPS = {
Node.NODE_IF: do_node_if, Node.NODE_IF: do_node_if,