parameters: (src, dst)
return_statement: return dst
docstring: The default progress/filter callback; returns True for all files
docstring_summary: The default progress/filter callback; returns True for all files
docstring_tokens: The default progress / filter callback ; returns True for all files
function: def default_filter(src, dst):
      """The default progress/filter callback; returns True for all files"""
      return dst
function_tokens: def default_filter ( src , dst ) : return dst