Commit 4e359481 authored by Stefan Behnel's avatar Stefan Behnel

use string concatenation instead of string joining for 2-item f-strings

parent 561618c7
......@@ -3969,6 +3969,9 @@ class ConstantFolding(Visitor.VisitorTransform, SkipDeclarations):
node = ExprNodes.UnicodeNode(node.pos, value=EncodedString(''))
elif len(values) == 1:
node = values[0]
elif len(values) == 2:
# reduce to string concatenation
node = ExprNodes.binop_node(node.pos, '+', *values)
else:
node.values = values
return node
......
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