<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def rpc_get_pydoc_documentation(self, symbol):
 """Get the Pydoc documentation for the given symbol. Uses pydoc and can return a string with backspace characters for bold highlighting. """

        try:
            docstring = pydoc.render_doc(str(symbol),
                                         "Elpy Pydoc Documentation for %s",
                                         False)
        except (ImportError, pydoc.ErrorDuringImport):
            return None
        else:
            if isinstance(docstring, bytes):
                docstring = docstring.decode("utf-8", "replace")
            return docstring