Fix crash when pushing TX via "not-self" #365
Ran into a crash with sendpayment today, when tx_broadcast in joinmarket.cfg is set to not-self.
Before the change, it crashed on the modified line because type dict_keys is returned here, which cannot be used with an index:
Can confirm that the tx was not broadcast. I ran out of time when I was trying to debug that.
Only got so far: take does send the push command to a maker according to logs,