'=' in a cookie prompts an error

[wayzate]

Error when a cookie contains the character '='

± python pyrbuster.py -t http://ferret.pw -w ./big.txt -e php --cookies 'session=ZwtFp3Nhp86pwUkif4PmL0QLFZI='
Traceback (most recent call last):
File "pyrbuster.py", line 229, in
R_COOKIES = {k:v for k,v in [e.split('=') for e in cookies]}
File "pyrbuster.py", line 229, in
R_COOKIES = {k:v for k,v in [e.split('=') for e in cookies]}
ValueError: too many values to unpack