Error on empty line in requirments.txt

[gkorland]

1:M 30 Nov 2020 20:09:48.634 # <module> Execution failed command : /bin/bash -c "cd '/var/opt/redislabs/modules/rg//python3_99.99.99//';/var/opt/redislabs/modules/rg//python3_99.99.99//bin/python3 -m pip wheel ''"
1:M 30 Nov 2020 20:09:49.634 * <module> Executing : /bin/bash -c "cd '/var/opt/redislabs/modules/rg//python3_99.99.99//';/var/opt/redislabs/modules/rg//python3_99.99.99//bin/python3 -m pip wheel ''"
ERROR: Invalid requirement: '