Fix flake8-docstrings D401 First line should be in imperative mood

core/utils/naming.py

@@ -29,7 +29,7 @@ def sanitize_name(name):
 
 def clean_file_name(filename):
     """
-    Cleans up nzb name by removing any . and _ characters and trailing hyphens.
+    Clean up nzb name by removing any . and _ characters and trailing hyphens.
 
     Is basically equivalent to replacing all _ and . with a
     space, but handles decimal numbers in string, for example:

core/utils/paths.py

@@ -74,7 +74,7 @@ def get_dir_size(input_path):
 
 
 def remove_empty_folders(path, remove_root=True):
-    """Function to remove empty folders."""
+    """Remove empty folders."""
     if not os.path.isdir(path):
         return