Merge pull request #183 from snok/pep646-starred-unpack

feat: Add support for PEP646 syntax for unpacking `TypeVarTuple`

Author: Daverball

flake8_type_checking/checker.py

@@ -101,6 +101,8 @@ def visit(self, node: ast.AST) -> None:
         elif isinstance(node, (ast.Tuple, ast.List)):
             for n in node.elts:
                 self.visit(n)
+        elif isinstance(node, ast.Starred) and isinstance(node.ctx, ast.Load):
+            self.visit(node.value)
         elif isinstance(node, ast.Constant) and isinstance(node.value, str):
             self.visit_annotation_string(node)
         elif isinstance(node, ast.Name):

tests/test_tc200.py

@@ -128,6 +128,20 @@ class FooDict(TypedDict):
     ),
 ]
 
+if sys.version_info >= (3, 11):
+    # PEP646 tests
+    examples += [
+        (
+            textwrap.dedent("""
+            if TYPE_CHECKING:
+                Ts = TypeVarTuple("Ts")
+
+            x: tuple[*Ts]
+            """),
+            {'5:10 ' + TC200.format(annotation='Ts')},
+        )
+    ]
+
 if sys.version_info >= (3, 12):
     # PEP695 tests
     examples += [