why restart not working ? thank you very much

[lastrocer]

Code Sample, a copy-pastable example if possible

import pdblp
con = pdblp.BCon(debug=False, port=8194, timeout=50000)
con.start()

con.restart()

Problem description

con.restart() get an error message
AttributeError: 'BCon' object has no attribute 'restart'

Expected Output

Version Information

[paste the output of pdblp.__version__ here below this line]
pdblp==0.1.8