move modules names set to LinterStats

Signed-off-by: Alvaro Frias Garay <alvarofriasgaray@gmail.com>

pylint/lint/pylinter.py

@@ -355,7 +355,6 @@ def __init__(
         self.current_file: str | None = None
         self._ignore_file = False
         self._ignore_paths: list[Pattern[str]] = []
-        self._files_checked = set()
 
         self.register_checker(self)
 
@@ -750,7 +749,7 @@ def _lint_files(
                 continue
             try:
                 self._lint_file(fileitem, module, check_astroid_module)
-                self._files_checked.add(fileitem.filepath)
+                self.stats.modules_names.add(fileitem.filepath)
             except Exception as ex:  # pylint: disable=broad-except
                 template_path = prepare_crash_report(
                     ex, fileitem.filepath, self.crash_file_path
@@ -1143,7 +1142,7 @@ def _report_evaluation(self, verbose: bool = False) -> int | None:
             if verbose:
                 checked_files_count = self.stats.node_count["module"]
                 unchecked_files_count = self.stats.undocumented["module"]
-                checked_files = ', '.join(self._files_checked)
+                checked_files = ", ".join(self.stats.modules_names)
                 msg += f"\nChecked {checked_files_count} files ({checked_files}), skipped {unchecked_files_count} files"
 
         if self.config.score:

pylint/utils/linterstats.py

@@ -109,6 +109,7 @@ def __init__(
         self.code_type_count = code_type_count or CodeTypeCount(
             code=0, comment=0, docstring=0, empty=0, total=0
         )
+        self.modules_names: set[str] = set()
 
         self.dependencies: dict[str, set[str]] = dependencies or {}
         self.duplicated_lines = duplicated_lines or DuplicatedLines(