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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def safe_indicator(self, indicator, errors='strict'):
 """Indicator encode value for safe HTTP request. Args: indicator (string):
 Indicator to URL Encode errors (string):
 The error handler type. Returns: (string):
 The urlencoded string """

        if indicator is not None:
            try:
                indicator = quote(self.s(str(indicator), errors=errors), safe='~')
            except KeyError:
                indicator = quote(bytes(indicator), safe='~')
        return indicator