code: def cookietostr(self):
          "Cookie values are bytes in Python3. This function Convert bytes to string with env.encoding(default to utf-8)."
          self.cookies = dict((k, (v.decode(self.encoding) if not isinstance(v, str) else v)) for k,v in self.cookies.items())
          return self.cookief cookietostr(self):
          "Cookie values are bytes in Python3. This function Convert bytes to string with env.encoding(default to utf-8)."
          self.cookies = dict((k, (v.decode(self.encoding) if not isinstance(v, str) else v)) for k,v in self.cookies.items())
          return self.cookies
docs: Cookie values are bytes in Python3. This function Convert bytes to string with env.encoding(default to utf-8).