Fix error for worker classes with no arguments

1 job for fix_no_arg_worker in 1 minute and 55 seconds (queued for 27 seconds)
Name Stage Failure
failed
test Test
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f4c85904320>, 'Connection to nims.desy.de timed out. (connect timeout=15)')': /extra/asapo/linux_wheels
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f4c859044a8>, 'Connection to nims.desy.de timed out. (connect timeout=15)')': /extra/asapo/linux_wheels
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPConnection object at 0x7f4c85904630>, 'Connection to nims.desy.de timed out. (connect timeout=15)')': /extra/asapo/linux_wheels
ERROR: Could not find a version that satisfies the requirement asapo_producer==20.6.1 (from versions: none)
ERROR: No matching distribution found for asapo_producer==20.6.1
WARNING: You are using pip version 20.2.3; however, version 20.2.4 is available.
You should consider upgrading via the '/usr/local/bin/python -m pip install --upgrade pip' command.
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1