Address flake8 E721 violations

colcon_core/package_augmentation/__init__.py

@@ -213,7 +213,7 @@ def update_metadata(desc, key, value):
         old_value |= value
         return
 
-    if type(old_value) != type(value):
+    if type(old_value) is not type(value):
         logger.warning(
             f"update package '{desc.name}' metadata '{key}' from value "
             f"'{old_value}' to '{value}'")

colcon_core/package_descriptor.py

@@ -149,7 +149,7 @@ def __hash__(self):  # noqa: D105
         return hash((self.type, self.name))
 
     def __eq__(self, other):  # noqa: D105
-        if type(self) != type(other):
+        if type(self) is not type(other):
             return NotImplemented
         if (self.type, self.name) != (other.type, other.name):
             return False

colcon_core/verb/__init__.py

@@ -174,7 +174,7 @@ def update_object(
         return
 
     severity = 5 \
-        if old_value is None or type(old_value) == type(value) \
+        if old_value is None or type(old_value) is type(value) \
         else logging.WARNING
     logger.log(
         severity, f"overwrite package '{package_name}' {argument_type} "

test/test_argument_default.py

@@ -19,13 +19,13 @@ def test_argument_default():
             unwrap_default_value(value)
         default_value = wrap_default_value(value)
         assert is_default_value(default_value)
-        assert type(default_value) != type(value)
+        assert type(default_value) is not type(value)
         with pytest.raises(ValueError):
             wrap_default_value(default_value)
         unwrapped_value = unwrap_default_value(default_value)
         assert value == unwrapped_value
 
     value = 42
     unchanged_value = wrap_default_value(value)
-    assert type(unchanged_value) == type(value)
+    assert type(unchanged_value) is type(value)
     assert unchanged_value == value