MyPy: enable ignore-without-code

This will force all skips to include the error code, which makes
them more readable, and avoids skipping something unintended.

pyproject.toml

@@ -90,6 +90,7 @@ exclude = [
 [tool.mypy]
 disallow_untyped_defs = false
 disallow_incomplete_defs = false
+enable_error_code = ["ignore-without-code"]
 follow_imports = "normal"
 ignore_missing_imports = true
 pretty = true

src/hatch/env/collectors/custom.py

@@ -11,7 +11,7 @@
 class CustomEnvironmentCollector:
     PLUGIN_NAME = 'custom'
 
-    def __new__(  # type: ignore
+    def __new__(  # type: ignore[misc]
         cls,
         root: str,
         config: dict[str, Any],

src/hatch/env/collectors/plugin/hooks.py

@@ -12,4 +12,4 @@
 
 @hookimpl
 def hatch_register_environment_collector() -> list[type[EnvironmentCollectorInterface]]:
-    return [CustomEnvironmentCollector, DefaultEnvironmentCollector]  # type: ignore
+    return [CustomEnvironmentCollector, DefaultEnvironmentCollector]  # type: ignore[list-item]

src/hatch/plugin/utils.py

@@ -12,8 +12,8 @@ def load_plugin_from_script(
     from importlib.util import module_from_spec, spec_from_file_location
 
     spec = spec_from_file_location(script_name, path)
-    module = module_from_spec(spec)  # type: ignore
-    spec.loader.exec_module(module)  # type: ignore
+    module = module_from_spec(spec)  # type: ignore[arg-type]
+    spec.loader.exec_module(module)  # type: ignore[union-attr]
 
     plugin_finder = f'get_{plugin_id}'
     names = dir(module)

src/hatch/utils/platform.py

@@ -176,7 +176,7 @@ def populate_default_popen_kwargs(self, kwargs: dict[str, Any], *, shell: bool)
     @staticmethod
     def stream_process_output(process: Popen) -> Iterable[str]:
         # To avoid blocking never use a pipe's file descriptor iterator. See https://bugs.python.org/issue3907
-        for line in iter(process.stdout.readline, b''):  # type: ignore
+        for line in iter(process.stdout.readline, b''):  # type: ignore[union-attr]
             yield line.decode('utf-8')
 
     @property