no std types self completely passes

Author: Jdwashin9

mypy/test/testcheck.py

@@ -5,6 +5,9 @@
 import os
 import re
 import sys
+import types
+
+import pytest
 
 from mypy import build
 from mypy.build import Graph
@@ -24,14 +27,14 @@
 )
 from mypy.test.update_data import update_testcase_output
 
+lxml: types.ModuleType | None
 try:
-    import lxml  # type: ignore[import-untyped]
+    import importlib
+
+    lxml = importlib.import_module("lxml")
 except ImportError:
     lxml = None
 
-
-import pytest
-
 # List of files that contain test case descriptions.
 # Includes all check-* files with the .test extension in the test-data/unit directory
 typecheck_files = find_test_files(pattern="check-*.test")

mypy/test/testcmdline.py

@@ -10,6 +10,7 @@
 import re
 import subprocess
 import sys
+import types
 
 from mypy.test.config import PREFIX, test_temp_dir
 from mypy.test.data import DataDrivenTestCase, DataSuite
@@ -19,11 +20,15 @@
     normalize_error_messages,
 )
 
+lxml: types.ModuleType | None
 try:
-    import lxml
+    import importlib
+
+    lxml = importlib.import_module("lxml")
 except ImportError:
     lxml = None
 
+
 import pytest
 
 # Path to Python 3 interpreter
@@ -38,7 +43,7 @@ class PythonCmdlineSuite(DataSuite):
     native_sep = True
 
     def run_case(self, testcase: DataDrivenTestCase) -> None:
-        if lxml is None and os.path.basename(testcase.file) == "reports.test":
+        if os.path.basename(testcase.file) == "reports.test" and lxml is None:
             pytest.skip("Cannot import lxml. Is it installed?")
         for step in [1] + sorted(testcase.output2):
             test_python_cmdline(testcase, step)

mypy/test/testreports.py

@@ -3,12 +3,16 @@
 from __future__ import annotations
 
 import textwrap
+import types
 
 from mypy.report import CoberturaPackage, get_line_rate
 from mypy.test.helpers import Suite, assert_equal
 
+lxml: types.ModuleType | None
 try:
-    import lxml
+    import importlib
+
+    lxml = importlib.import_module("lxml")
 except ImportError:
     lxml = None
 

mypy/test_decorator_suggestion.py

@@ -1,4 +1,5 @@
-from typing import Callable, ParamSpec, TypeVar
+from typing import Callable, TypeVar
+from typing_extensions import ParamSpec
 
 R = TypeVar("R")
 P = ParamSpec("P")
@@ -9,5 +10,5 @@ def dec(f: Callable[P, R]) -> Callable[P, R]:
 
 
 @dec
-def f():
+def f() -> None:
     print("hello world")