FIX: should set headers for current request
FIX: should set headers for current request

Sometimes an error occurs about the headers global not existing,
I believe that the headers dict in question belongs to the request
object

trezorg/requests-ntlm,Zitrax/requests-ntlm,mujiansu/requests-ntlm,blockbomb/requests-ntlm,requests/requests-ntlm,sigmavirus24/requests-ntlm