parameters: (self, path)
docstring: Abstract method which when implemented should return the bytes for
          the specified path.  The path must be a str.
docstring_summary: Abstract method which when implemented should return the bytes for
          the specified path.  The path must be a str.
docstring_tokens: Abstract method which when implemented should return the bytes for the specified path . The path must be a str .
function: def get_data(self, path):
          """Abstract method which when implemented should return the bytes for
          the specified path.  The path must be a str."""
          raise OSError
function_tokens: def get_data ( self , path ) : raise OSError