Fix for new Mypy (#1111)

Author: Tinche

pyproject.toml

@@ -43,7 +43,7 @@ tests-no-zope = [
     "pytest-xdist[psutil]",
     # Since the mypy error messages keep changing, we have to keep updating this
     # pin.
-    'mypy>=0.991,<1.1.1; python_implementation == "CPython"',
+    'mypy>=1.1.1; python_implementation == "CPython"',
     'pytest-mypy-plugins; python_implementation == "CPython" and python_version<"3.11"',
 ]
 tests = ["attrs[tests-no-zope]", "zope.interface"]

tests/test_mypy.yml

@@ -177,9 +177,9 @@
   main: |
     import attr
     x = True
-    @attr.s(cmp=x)  # E: "cmp" argument must be True or False.  [misc]
+    @attr.s(cmp=x)  # E: "cmp" argument must be a True, False, or None literal  [literal-required]
     class A:
-        a = attr.ib(init=x)  # E: "init" argument must be True or False.  [misc]
+        a = attr.ib(init=x)  # E: "init" argument must be a True or False literal  [literal-required]
 
 - case: testAttrsInitFalse
   main: |