def _check_connections(self):
for server in self._servers:<EOL><INDENT>if self._is_reachable(server):<EOL><INDENT>server['<STR_LIT>'] = <NUM_LIT:0><EOL><DEDENT>else:<EOL><INDENT>server['<STR_LIT>'] = time.time() + <NUM_LIT:5><EOL><DEDENT><DEDENT>
Checks if all configured redis servers are reachable