update python version in readme
update python version in readme
influxdb/influxdb-python,influxdata/influxdb-python,influxdata/influxdb-python,influxdb/influxdb-python,tzonghao/influxdb-python,BenHewins/influxdb-python,tzonghao/influxdb-python,omki2005/influxdb-python,BenHewins/influxdb-python,omki2005/influxdb-python