Fixing circular dependency (#3424)

parsl/providers/pbspro/pbspro.py

@@ -7,9 +7,7 @@
 from parsl.jobs.states import JobState, JobStatus
 from parsl.launchers import SingleNodeLauncher
 from parsl.providers.pbspro.template import template_string
-from parsl.providers import TorqueProvider
-
-from parsl.providers.torque.torque import translate_table
+from parsl.providers.torque.torque import TorqueProvider, translate_table
 
 logger = logging.getLogger(__name__)