fix: don't try to remove the .cache root dir, it leads to errors some…

…times

nitpick/config.py

@@ -17,7 +17,7 @@
 from nitpick.files.pyproject_toml import PyProjectTomlFile
 from nitpick.files.setup_cfg import SetupCfgFile
 from nitpick.formats import Toml
-from nitpick.generic import climb_directory_tree, rmdir_if_empty, search_dict, version_to_tuple
+from nitpick.generic import climb_directory_tree, search_dict, version_to_tuple
 from nitpick.mixin import NitpickMixin
 from nitpick.style import Style
 from nitpick.typedefs import JsonDict, PathOrStr, StrOrList, YieldFlake8Error
@@ -105,7 +105,6 @@ def clear_cache_dir(self) -> None:
         cache_root = self.root_dir / CACHE_DIR_NAME  # type: Path
         self.cache_dir = cache_root / PROJECT_NAME
         rmtree(str(self.cache_dir), ignore_errors=True)
-        rmdir_if_empty(cache_root)
 
     def merge_styles(self) -> YieldFlake8Error:
         """Merge one or multiple style files."""

nitpick/generic.py

@@ -130,22 +130,6 @@ def find_object_by_key(list_: List[dict], search_key: str, search_value: Any) ->
     return {}
 
 
-def rmdir_if_empty(path_or_str: PathOrStr):
-    """Remove the directory if empty."""
-    path = Path(path_or_str)
-    if not path.exists():
-        return
-
-    try:
-        has_items = next(path.iterdir(), False)
-        if has_items is False:
-            # If the directory has no more files/directories inside, try to remove the parent.
-            path.rmdir()
-    except (FileNotFoundError, OSError):
-        # If any removal attempt fails, just ignore it. Some other flake8 thread might have deleted the directory.
-        pass
-
-
 def search_dict(jmespath_expression: Union[ParsedResult, str], data: MutableMapping[str, Any], default: Any) -> Any:
     """Search a dictionary using a JMESPath expression, and returning a default value.