diff --git a/pandaharvester/harvestercore/worker_errors.py b/pandaharvester/harvestercore/worker_errors.py
index 7cf6a974..c97cf018 100644
--- a/pandaharvester/harvestercore/worker_errors.py
+++ b/pandaharvester/harvestercore/worker_errors.py
@@ -2,6 +2,7 @@
 # Integer values for errors must be not less than 1000
 
 import re
+from typing import Optional
 
 ######## Error Code Message Pattern Maps (CMPMs) ########
 
@@ -172,7 +173,7 @@ def __init__(self, code_pattern_map: dict):
         self._code_pattern_map = code_pattern_map.copy()
         self._pattern_code_map = {v: k for k, v in self._code_pattern_map.items()}
 
-    def get_error_code(self, message: str) -> int | None:
+    def get_error_code(self, message: str) -> Optional[int]:
         """
         Get the error code for a given message based on the defined patterns.
 
diff --git a/pandaharvester/harvestersubmitter/submitter_common.py b/pandaharvester/harvestersubmitter/submitter_common.py
index a3e1c19b..33cabc61 100644
--- a/pandaharvester/harvestersubmitter/submitter_common.py
+++ b/pandaharvester/harvestersubmitter/submitter_common.py
@@ -1,5 +1,6 @@
 import random
 from math import log1p
+from typing import List, Optional, Tuple
 
 #########################
 # Pilot related functions
@@ -115,8 +116,11 @@ def get_resource_type(resource_type_name, is_unified_queue, all_resource_types,
 
 # Compute weight of each CE according to worker stat, return tuple(dict, total weight score)
 def get_ce_weighting(
-    ce_endpoint_list: list | None = None, worker_ce_all_tuple: tuple | None = None, is_slave_queue: bool = False, fairshare_percent: int = 50
-) -> tuple:
+    ce_endpoint_list: Optional[List] = None,
+    worker_ce_all_tuple: Optional[Tuple] = None,
+    is_slave_queue: bool = False,
+    fairshare_percent: int = 50,
+) -> Tuple:
     """
     Compute the weighting of each CE based on worker statistics and throughput.
 
diff --git a/pandaharvester/harvestersweeper/superfacility_sweeper.py b/pandaharvester/harvestersweeper/superfacility_sweeper.py
index d7cff594..b4883c88 100644
--- a/pandaharvester/harvestersweeper/superfacility_sweeper.py
+++ b/pandaharvester/harvestersweeper/superfacility_sweeper.py
@@ -1,11 +1,9 @@
 import os
-import json
-import requests
+import shutil
 
-from pandaharvester.harvestersweeper.base_sweeper import BaseSweeper
 from pandaharvester.harvestercore import core_utils
 from pandaharvester.harvestermisc.superfacility_utils import SuperfacilityClient
-
+from pandaharvester.harvestersweeper.base_sweeper import BaseSweeper
 
 baseLogger = core_utils.setup_logger("superfacility_sweeper")
 
@@ -13,7 +11,7 @@
 class SuperfacilitySweeper(BaseSweeper):
     def __init__(self, **kwargs):
         BaseSweeper.__init__(self, **kwargs)
-        self.cred_dir = kwarg.get("superfacility_cred_dir")
+        self.cred_dir = kwargs.get("superfacility_cred_dir")
         self.sf_client = SuperfacilityClient(self.cred_dir)
 
     def kill_worker(self, workspec):
@@ -30,7 +28,7 @@ def kill_worker(self, workspec):
             tmpLog.error(errStr)
             return False, errStr
 
-        if data.get('status') == 'success':
+        if data.get("status") == "success":
             tmpLog.info(f"Succeeded to kill workerID={workspec.workerID} batchID={workspec.workerID}")
         else:
             errStr = f"Failed to cancel job {jobid}: status: {data.get('status')}"
@@ -44,11 +42,11 @@ def sweep_worker(self, workspec):
         if ap and os.path.exists(ap):
             try:
                 shutil.rmtree(ap)
-                logger.info(f"Removed directory {ap}")
+                tmpLog.info(f"Removed directory {ap}")
             except Exception as e:
                 err = f"Failed to remove {ap}: {e}"
-                logger.error(err)
+                tmpLog.error(err)
                 return False, err
         else:
-            logger.info("Access point already removed or none provided.")
+            tmpLog.info("Access point already removed or none provided.")
         return True, ""
diff --git a/pandaharvester/harvestertest/stageInTest_dpb.py b/pandaharvester/harvestertest/stageInTest_dpb.py
index 62ff3fe2..a74e969d 100644
--- a/pandaharvester/harvestertest/stageInTest_dpb.py
+++ b/pandaharvester/harvestertest/stageInTest_dpb.py
@@ -1,4 +1,5 @@
 import sys
+import time
 
 from pandaharvester.harvestercore.job_spec import JobSpec
 from pandaharvester.harvestercore.plugin_factory import PluginFactory
diff --git a/pandaharvester/harvesterzipper/base_zipper.py b/pandaharvester/harvesterzipper/base_zipper.py
index b047e7de..226006cb 100644
--- a/pandaharvester/harvesterzipper/base_zipper.py
+++ b/pandaharvester/harvesterzipper/base_zipper.py
@@ -297,7 +297,7 @@ def ssh_make_one_zip(self, arg_dict):
             retCode = p0.returncode
             if retCode != 0:
                 msgStr = f"failed to make tmpargfile remotely with {stdOut}:{stdErr}"
-                tmp_log.error(msgStr)
+                self.zip_tmp_log.error(msgStr)
                 return False, f"failed to zip with {msgStr}"
             stdOut_str = stdOut if (isinstance(stdOut, str) or stdOut is None) else stdOut.decode()
             tmpargfile_name = stdOut_str.strip("\n")
@@ -333,7 +333,7 @@ def ssh_make_one_zip(self, arg_dict):
             retCode = p1a.returncode
             if retCode != 0:
                 msgStr = f"failed to delete tmpargfile remotely with {stdOut}:{stdErr}"
-                tmp_log.error(msgStr)
+                self.zip_tmp_log.error(msgStr)
             del p1a, stdOut, stdErr
             gc.collect()
             # avoid overwriting
diff --git a/pyproject.toml b/pyproject.toml
index 1b7d8f8c..21068cfe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,12 +27,6 @@ dependencies = [
     'panda-pilot >= 2.7.2.1',
 ]
 
-requires-python = ">=3.10"
-classifiers = [
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-]
-
 [project.optional-dependencies]
 kubernetes = ['kubernetes', 'pyyaml']
 mysql = ['mysqlclient']
@@ -83,4 +77,4 @@ aggressive = 3
 profile = "black"
 
 [tool.flynt]
-line-length = 160
+line-length = 160
\ No newline at end of file