baconwichsand@baconwichsand:~/Downloads/blpapi-3.5.5$ sudo python setup.py install
[sudo] password for baconwichsand:
Traceback (most recent call last):
  File "setup.py", line 23, in <module>
    raise Exception("BLPAPI_ROOT environment variable isn't defined")
Exception: BLPAPI_ROOT environment variable isn't defined
baconwichsand@baconwichsand:~/Downloads/blpapi-3.5.5$ echo $BLPAPI_ROOT
/home/baconwichsand/Downloads/blpapi_cpp_3.8.8.1