remove redundant imports

Author: adi611

pydra/engine/run_pickled.py

@@ -1,5 +1,4 @@
 import pickle
-import pydra
 import sys
 
 

pydra/engine/workers.py

@@ -901,6 +901,7 @@ def __init__(self, subtype=None, **kwargs):
             logger.critical("Please install psij.")
             raise
         logger.debug("Initialize PsijWorker")
+        self.psij = psij
         self.subtype = subtype
 
     def run_el(self, interface, rerun=False, **kwargs):
@@ -920,12 +921,10 @@ def make_job(self, spec, attributes):
         return job
 
     async def exec_psij(self, runnable, rerun=False):
-        import psij
         import pickle
         import os
 
-        self.psij = psij
-        jex = psij.JobExecutor.get_instance(self.subtype)
+        jex = self.psij.JobExecutor.get_instance(self.subtype)
         absolute_path = os.path.dirname(__file__)
 
         if isinstance(runnable, TaskBase):