diff --git a/mypy/semanal.py b/mypy/semanal.py index 2ea444bf4ab2..ad70cc85a45d 100644 --- a/mypy/semanal.py +++ b/mypy/semanal.py @@ -2636,9 +2636,6 @@ def analyze_lvalue(self, self.fail('Unexpected type declaration', lval) lval.accept(self) elif isinstance(lval, TupleExpr): - items = lval.items - if len(items) == 0 and isinstance(lval, TupleExpr): - self.fail("can't assign to ()", lval) self.analyze_tuple_or_list_lvalue(lval, explicit_type) elif isinstance(lval, StarExpr): if nested: diff --git a/test-data/unit/README.md b/test-data/unit/README.md index e1923b90ad52..d8a42f4bc444 100644 --- a/test-data/unit/README.md +++ b/test-data/unit/README.md @@ -7,7 +7,8 @@ Quick Start To add a simple unit test for a new feature you developed, open or create a `test-data/unit/check-*.test` file with a name that roughly relates to the -feature you added. +feature you added. If you added a new `check-*.test` file, add it to the list +of files in `mypy/test/testcheck.py`. Add the test in this format anywhere in the file: diff --git a/test-data/unit/check-tuples.test b/test-data/unit/check-tuples.test index ec3c2bc48c1b..55bee11b699f 100644 --- a/test-data/unit/check-tuples.test +++ b/test-data/unit/check-tuples.test @@ -1458,3 +1458,15 @@ x7, x8, y7, y8 = *points2, *points3 # E: Contiguous iterable with same type expe x9, y9, x10, y10, z5 = *points2, 1, *points2 # E: Contiguous iterable with same type expected [builtins fixtures/tuple.pyi] + +[case testAssignEmptyPy36] +# flags: --python-version 3.6 +() = [] + +[case testAssignEmptyPy27] +# flags: --python-version 2.7 +() = [] # E: can't assign to () + +[case testAssignEmptyBogus] +() = 1 # E: 'Literal[1]?' object is not iterable +[builtins fixtures/tuple.pyi] diff --git a/test-data/unit/semanal-errors.test b/test-data/unit/semanal-errors.test index e093f3fd1a0a..7933341b9079 100644 --- a/test-data/unit/semanal-errors.test +++ b/test-data/unit/semanal-errors.test @@ -377,11 +377,6 @@ main:1: error: can't assign to literal [out] main:1: error: can't assign to literal -[case testInvalidLvalues5] -() = 1 -[out] -main:1: error: can't assign to () - [case testInvalidLvalues6] x = y = z = 1 # ok x, (y, 1) = 1 pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy