Error '! Helper not started (did you call connect()?)'

[Mi-Al]

Hello!
While connecting, I got the error
! Helper not started (did you call connect()?)
With enabled debug, I get:

@ Scanning for 5s [-128 dBm of sensitivity] ...

Running  /usr/lib/python2.7/site-packages/bluepy/bluepy-helper
Sent:  le on

Got: 'rsp=$mgmt code=$success\n'
Sent:  scan

Got: 'rsp=$mgmt code=$success\n'
Got: "rsp=$stat state=$scan dst='(null) mtu=h0 sec='low\n"
Got: 'rsp=$scan addr=b476428CFE3E6 type=h2 rssi=h52 flag=h0 d=b02011A0AFF4C00100501183260D8\n'
Got: 'rsp=$scan addr=b6520F4A4CB0D type=h2 rssi=h5B flag=h0 d=b02011A0AFF4C0010050318A5252B\n'
┌ 65:20:f4:a4:cb:0d (-91 dBm) ─────────────────────────────────────────────────────────────────────┐
│ Vendor             │ ?                                                                           │
│ Allows Connections │ ✓                                                                           │
│ Address Type       │ random                                                                      │
│ Manufacturer       │ '4c0010050318a5252b'                                                        │
│ Flags              │ LE General Discoverable, LE + BR/EDR Controller Mode, LE + BR/EDR Host Mode │
└────────────────────┴─────────────────────────────────────────────────────────────────────────────┘

Select timeout
Sent:  scanend

Got: 'rsp=$mgmt code=$success\n'
Stopping  /usr/lib/python2.7/site-packages/bluepy/bluepy-helper
@ Connecting to 65:20:f4:a4:cb:0d ...Running  /usr/lib/python2.7/site-packages/bluepy/bluepy-helper
Sent:  conn 65:20:f4:a4:cb:0d random hci0

Got: "rsp=$stat state=$tryconn dst='65:20:f4:a4:cb:0d mtu=h0 sec='low\n"
Got: "rsp=$stat state=$conn dst='65:20:f4:a4:cb:0d mtu=h0 sec='low\n"
 connected.
@ Enumerating all the things Sent:  svcs

Got: "rsp=$find hstart=h1 hend=h5 uuid='00001800-0000-1000-8000-00805f9b34fb hstart=h6 hend=h9 uuid='00001801-0000-1000-8000-00805f9b34fb hstart=hA hend=hE uuid='d0611e78-bbb4-4591-a5f8-487910ae4366 hstart=hF hend=h13 uuid='9fa480e0-4967-4542-9390-d343dc5d04ae hstart=h14 hend=h17 uuid='0000180f-0000-1000-8000-00805f9b34fb hstart=h18 hend=h1D uuid='00001805-0000-1000-8000-00805f9b34fb hstart=h1E hend=h22 uuid='0000180a-0000-1000-8000-00805f9b34fb hstart=h23 hend=h2C uuid='7905f431-b5ce-4e99-a40f-4b1e122d00d0 hstart=h2D hend=h38 uuid='89d3502b-0f36-433a-8ef4-c502ad55f8dc\n"
Sent:  char 1 5

Got: "rsp=$find hnd=h2 props=h2 vhnd=h3 uuid='00002a00-0000-1000-8000-00805f9b34fb hnd=h4 props=h2 vhnd=h5 uuid='00002a01-0000-1000-8000-00805f9b34fb\n"
Sent:  rd 3

Got: 'rsp=$rd d=b69506164\n'
Sent:  rd 5

Got: 'rsp=$rd d=b8002\n'
Sent:  char 6 9

Got: "rsp=$find hnd=h7 props=h20 vhnd=h8 uuid='00002a05-0000-1000-8000-00805f9b34fb\n"
Sent:  char A E

Got: "rsp=$find hnd=hB props=h98 vhnd=hC uuid='8667556c-9a37-4c91-84ed-54ee27d90049\n"
Sent:  char F 13

Got: "rsp=$find hnd=h10 props=h98 vhnd=h11 uuid='af0badb1-5b99-43cd-917a-a77bc549e3cc\n"
Sent:  char 14 17

Got: "rsp=$find hnd=h15 props=h12 vhnd=h16 uuid='00002a19-0000-1000-8000-00805f9b34fb\n"
Sent:  rd 16

Got: "rsp=$stat state=$disc mtu=h0 sec='low\n"
Stopping  /usr/lib/python2.7/site-packages/bluepy/bluepy-helper
 
! Helper not started (did you call connect()?)

I am running Arch Linux.

[fabmazz]

I have the same problem, with Arch Linux too.