def _get_index(self, server_url):
        """
        Returns a registered GPServer object with a matching GenePattern server url
        Returns -1 if no matching result was found
        :param server_url:
        :return:
        """
        for i in range(len(self.sessions)):
            session = self.sessions[i]
            if session.url == server_url:
                return i
        return -1
def _get_index(self, server_url):
        
        for i in range(len(self.sessions)):
            session = self.sessions[i]
            if session.url == server_url:
                return i
        return -1
def _get_index ( self , server_url ) : for i in range ( len ( self . sessions ) ) : session = self . sessions [ i ] if session . url == server_url : return i return - 1
Returns a registered GPServer object with a matching GenePattern server url
        Returns -1 if no matching result was found
        :param server_url:
        :return:
Returns a registered GPServer object with a matching GenePattern server url Returns - 1 if no matching result was found : param server_url : : return :