deal with 'unused import' ruff errors

although it might be smarter to use importlib.util.find_spec, as ruff suggests

Author: wyattscarpenter

mypy/test/testcheck.py

@@ -25,7 +25,7 @@
 from mypy.test.update_data import update_testcase_output
 
 try:
-    import lxml
+    pass  # import lxml #try just passing for now...
 except ImportError:
     lxml_import_failure = True
 

mypy/test/testcmdline.py

@@ -20,7 +20,7 @@
 )
 
 try:
-    import lxml
+    pass  # import lxml #try just passing for now...
 except ImportError:
     lxml_import_failure = True
 

mypy/test/testreports.py

@@ -8,7 +8,7 @@
 from mypy.test.helpers import Suite, assert_equal
 
 try:
-    import lxml
+    import lxml.etree as etree
 except ImportError:
     lxml_import_failure = True
 
@@ -23,8 +23,6 @@ def test_get_line_rate(self) -> None:
 
     @pytest.mark.skipif(lxml_import_failure, reason="Cannot import lxml. Is it installed?")
     def test_as_xml(self) -> None:
-        import lxml.etree as etree
-
         cobertura_package = CoberturaPackage("foobar")
         cobertura_package.covered_lines = 21
         cobertura_package.total_lines = 42