tello not response for take off

[icydust]

I use 'python multi_tello_test.py test_for_1.txt' to control tello, but tello not response .
how can i do?

command:
scan 1
battery_check 20
correct_ip
1=0TQDG7BEDB0E9P
*>mon
*>takeoff
sync 15
1>go 50 0 80 60 m3
sync 15
1>flip r
sync 15
*>land

reslut:
[Start_Searching]Searching for 1 available Tello...

[Still_Searching]Trying to find Tello in subnets...

[Still_Searching]Trying to find Tello in subnets...

[Found_Tello]Found Tello.The Tello ip is:192.168.101.125

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: ok ----

[Single_Command]----Single_Send----IP:192.168.101.125----Command: battery?

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: 63

[Battery_Show]show drone battery: 63 ip:192.168.101.125

[Battery_Enough]Pass battery check

[Single_Command]----Single_Send----IP:192.168.101.125----Command: sn?

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: 0TQDG7BEDB0E9P ----

[Sync_And_Waiting]Sync for 15.0 seconds
[Single_Command]----Single_Send----IP:192.168.101.125----Command: mon

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: ok ----

[Single_Command]----Single_Send----IP:192.168.101.125----Command: takeoff

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: error ----

[All_Commands_Send]All queue empty and all command send,continue

[All_Responses_Get]All response got, continue

[Sync_And_Waiting]Sync for 15.0 seconds

[Single_Command]----Single_Send----IP:192.168.101.125----Command: go 50 0 80 60 m3

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: error Motor stop ----

[All_Commands_Send]All queue empty and all command send,continue

[All_Responses_Get]All response got, continue

[Sync_And_Waiting]Sync for 15.0 seconds

[Single_Command]----Single_Send----IP:192.168.101.125----Command: flip r

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: take off first ----

[All_Commands_Send]All queue empty and all command send,continue

[All_Responses_Get]All response got, continue

[Single_Command]----Single_Send----IP:192.168.101.125----Command: land

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: error ----

[Single_Response]----Single_Receive----IP:192.168.101.125----Response: ok ----

[davidkhckhc]

how to do