minor cleanup: fixing or silencing flake8 errors (#2731)

* minor cleanup: fixing or silencing flake8 errors

* ci: lock CMake to non-Universal version

* Update .github/workflows/ci.yml
Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

.github/workflows/ci.yml

@@ -72,6 +72,8 @@ jobs:
 
     - name: Update CMake
       uses: jwlawson/actions-setup-cmake@v1.4
+      with:
+        cmake-version: 3.19.1
 
     - name: Cache wheels
       if: runner.os == 'macOS'
@@ -550,6 +552,8 @@ jobs:
 
     - name: Update CMake
       uses: jwlawson/actions-setup-cmake@v1.4
+      with:
+        cmake-version: 3.19.1
 
     - name: Prepare MSVC
       uses: ilammy/msvc-dev-cmd@v1
@@ -596,6 +600,8 @@ jobs:
 
     - name: Update CMake
       uses: jwlawson/actions-setup-cmake@v1.4
+      with:
+        cmake-version: 3.19.1
 
     - name: Prepare MSVC
       uses: ilammy/msvc-dev-cmd@v1
@@ -650,6 +656,8 @@ jobs:
 
     - name: Update CMake
       uses: jwlawson/actions-setup-cmake@v1.4
+      with:
+        cmake-version: 3.19.1
 
     - name: Prepare env
       run: python -m pip install -r tests/requirements.txt --prefer-binary

tests/test_enum.py

@@ -73,25 +73,25 @@ Members:
     assert not (y == "2")
 
     with pytest.raises(TypeError):
-        y < object()
+        y < object()  # noqa: B015
 
     with pytest.raises(TypeError):
-        y <= object()
+        y <= object()  # noqa: B015
 
     with pytest.raises(TypeError):
-        y > object()
+        y > object()  # noqa: B015
 
     with pytest.raises(TypeError):
-        y >= object()
+        y >= object()  # noqa: B015
 
     with pytest.raises(TypeError):
-        y | object()
+        y | object()  # noqa: B015
 
     with pytest.raises(TypeError):
-        y & object()
+        y & object()  # noqa: B015
 
     with pytest.raises(TypeError):
-        y ^ object()
+        y ^ object()  # noqa: B015
 
     assert int(m.UnscopedEnum.ETwo) == 2
     assert str(m.UnscopedEnum(2)) == "UnscopedEnum.ETwo"
@@ -134,13 +134,13 @@ def test_scoped_enum():
     assert not (z == object())
     # Scoped enums will *NOT* accept >, <, >= and <= int comparisons (Will throw exceptions)
     with pytest.raises(TypeError):
-        z > 3
+        z > 3  # noqa: B015
     with pytest.raises(TypeError):
-        z < 3
+        z < 3  # noqa: B015
     with pytest.raises(TypeError):
-        z >= 3
+        z >= 3  # noqa: B015
     with pytest.raises(TypeError):
-        z <= 3
+        z <= 3  # noqa: B015
 
     # order
     assert m.ScopedEnum.Two < m.ScopedEnum.Three

tests/test_local_bindings.py

@@ -193,7 +193,7 @@ def test_stl_caster_vs_stl_bind(msg):
     v2 = [1, 2, 3]
     assert m.load_vector_via_caster(v2) == 6
     with pytest.raises(TypeError) as excinfo:
-        cm.load_vector_via_binding(v2) == 6
+        cm.load_vector_via_binding(v2)
     assert (
         msg(excinfo.value)
         == """