fixed up a few issues found from linter

pa_job_manager.py

@@ -426,19 +426,6 @@ def JobForceScan(job):
     session.commit()
     return
 
-def SymlinkName(path, file):
-    sig_bit=file.replace(path, "")
-    last_dir=os.path.basename(path[0:-1])
-
-    if sig_bit[-1] == '/':
-        last_bit = os.path.dirname(sig_bit)[0:-1]
-    else:
-        last_bit = os.path.dirname(sig_bit)
-    symlink = 'static/'+last_dir+'/'+last_bit
-    if symlink[-1] == '/':
-        symlink=symlink[0:-1]
-    return symlink
-
 # to serve static content of the images, we create a symlink from inside the static subdir of each import_path that exists
 def CreateSymlink(job,path):
     symlink='static/{}'.format(os.path.basename(path[0:-1]))
@@ -506,7 +493,7 @@ def HandleAnyFSDeletions(job):
 
     rmdirs = session.query(Entry).filter(Entry.exists_on_fs==False,Entry.type_id==1).order_by(Entry.id.desc()).all()
     for rmdir in rmdirs:
-        print(f"We have a directory ({rmdir.name}) to delete from DB as it no longer exists on fs");
+        print(f"We have a directory ({rmdir.name}) to delete from DB as it no longer exists on fs")
         session.query(EntryDirLink).filter(EntryDirLink.entry_id==rmdir.id).delete()
         session.query(Dir).filter(Dir.eid==rmdir.id).delete()
         session.query(Entry).filter(Entry.id==rmdir.id).delete()
@@ -532,7 +519,7 @@ def GetDateFromFile(file, stat):
     except:
         # try parsing filename
         try:
-            m=re.search( '(\d{4})(\d{2})(\d{2})', file)
+            m=re.search( r'(\d{4})(\d{2})(\d{2})', file)
             year=int(m[1])
             month=int(m[2])
             day=int(m[3])
@@ -793,7 +780,7 @@ def isVideo(file):
             if track.track_type == "Video":
                 return True
         return False
-    except Exception as e:
+    except Exception:
         return False
 
 # Returns an md5 hash of the fnames' contents 
@@ -808,7 +795,7 @@ def md5(job, fname):
 
 def isImage(file):
     try:
-        img = Image.open(file)
+        Image.open(file)
         return True
     except:
         return False
@@ -874,7 +861,6 @@ def CheckForDups(job):
 def RemoveDups(job):
     # clear FE message we are deleting dups for this now...
     fe_msg_id =[jex.value for jex in job.extra if jex.name == "fe_msg_id"][0]
-    msg=session.query(PA_JobManager_FE_Message).get(fe_msg_id)
     session.query(PA_JobManager_FE_Message).filter(PA_JobManager_FE_Message.id==fe_msg_id).delete()
     session.commit()