Merge pull request #727 from asottile/empty-set-literal-newline

rewrite set((\n))

pyupgrade/_plugins/set_literals.py

@@ -32,9 +32,6 @@ def _fix_set_empty_literal(i: int, tokens: list[Token]) -> None:
             brace_stack.pop()
         elif token in BRACES:
             brace_stack.append(token)
-        elif '\n' in token:
-            # Contains a newline, could cause a SyntaxError, bail
-            return
         j += 1
 
     # Remove the inner tokens

tests/features/set_literals_test.py

@@ -11,9 +11,6 @@
     (
         # Don't touch empty set literals
         'set()',
-        # Don't touch set(empty literal) with newlines in them (may create
-        # syntax errors)
-        'set((\n))',
         # Don't touch weird looking function calls -- use autopep8 or such
         # first
         'set (())', 'set ((1, 2))',
@@ -92,6 +89,7 @@ def test_fix_sets_noop(s):
             '        99, 100,\n'
             '}\n',
         ),
+        pytest.param('set((\n))', 'set()', id='empty literal with newline'),
     ),
 )
 def test_sets(s, expected):