diff --git a/ecs/crm-datafetch/.vscode/recommend_settings.json b/ecs/crm-datafetch/.vscode/recommend_settings.json
index 72dacf55..66a8f2b5 100644
--- a/ecs/crm-datafetch/.vscode/recommend_settings.json
+++ b/ecs/crm-datafetch/.vscode/recommend_settings.json
@@ -10,7 +10,7 @@
   "python.linting.enabled": true,
   "python.linting.pylintEnabled": false,
   "python.linting.flake8Enabled": true,
-  "python.linting.flake8Args": ["--max-line-length=150"],
+  "python.linting.flake8Args": ["--max-line-length=150", "--ignore=F541"],
   "python.formatting.provider": "autopep8",
   "python.formatting.autopep8Args": ["--max-line-length", "150"]
 }
diff --git a/ecs/crm-datafetch/src/conv.py b/ecs/crm-datafetch/src/conv.py
index cfcc6a8a..2a4d3be8 100644
--- a/ecs/crm-datafetch/src/conv.py
+++ b/ecs/crm-datafetch/src/conv.py
@@ -1,5 +1,3 @@
-from datetime import datetime
-
 from src.constants import CONV_JP_NAME
 from src.converter.converter import CSVStringConverter
 from src.error.exceptions import DataConvertException
diff --git a/ecs/crm-datafetch/src/fetch.py b/ecs/crm-datafetch/src/fetch.py
index 893aaadc..baa0219f 100644
--- a/ecs/crm-datafetch/src/fetch.py
+++ b/ecs/crm-datafetch/src/fetch.py
@@ -81,7 +81,10 @@ def fetch_crm_data(target_object, last_fetch_datetime):
     return sf_object_jsons
 
 
-@retry(wait=wait_exponential(multiplier=CRM_GET_RECORD_COUNT_RETRY_INTERVAL, min=CRM_GET_RECORD_COUNT_RETRY_MIN_INTERVAL, max=CRM_GET_RECORD_COUNT_RETRY_MAX_INTERVAL), stop=stop_after_attempt(CRM_GET_RECORD_COUNT_MAX_RETRY_ATTEMPT))
+@retry(
+    wait=wait_exponential(multiplier=CRM_GET_RECORD_COUNT_RETRY_INTERVAL,
+                          min=CRM_GET_RECORD_COUNT_RETRY_MIN_INTERVAL, max=CRM_GET_RECORD_COUNT_RETRY_MAX_INTERVAL),
+    stop=stop_after_attempt(CRM_GET_RECORD_COUNT_MAX_RETRY_ATTEMPT))
 def fetch_sf_count_retry(object_name, last_update_datetime_from, last_update_datetime_to):
     try:
         global count_contime_counter, count_readtime_counter, count_counter
@@ -110,7 +113,10 @@ def fetch_sf_count_retry(object_name, last_update_datetime_from, last_update_dat
         raise e
 
 
-@retry(wait=wait_exponential(multiplier=CRM_FETCH_RECORD_RETRY_INTERVAL, min=CRM_FETCH_RECORD_RETRY_MIN_INTERVAL, max=CRM_FETCH_RECORD_RETRY_MAX_INTERVAL), stop=stop_after_attempt(CRM_FETCH_RECORD_MAX_RETRY_ATTEMPT))
+@retry(
+    wait=wait_exponential(multiplier=CRM_FETCH_RECORD_RETRY_INTERVAL,
+                          min=CRM_FETCH_RECORD_RETRY_MIN_INTERVAL, max=CRM_FETCH_RECORD_RETRY_MAX_INTERVAL),
+    stop=stop_after_attempt(CRM_FETCH_RECORD_MAX_RETRY_ATTEMPT))
 def fetch_sf_data_retry(columns, object_name, last_update_datetime_from, last_update_datetime_to):
     try:
         global data_contime_counter, data_readtime_counter, data_counter
diff --git a/ecs/crm-datafetch/src/process.py b/ecs/crm-datafetch/src/process.py
index add1e98d..e914a4d4 100644
--- a/ecs/crm-datafetch/src/process.py
+++ b/ecs/crm-datafetch/src/process.py
@@ -80,7 +80,7 @@ def main() -> None:
                 # 9. CSV変換処理を呼び出す
                 logger.info(
                     f'I-CTRL-12 [{target_object.object_name}] CSV変換処理呼び出し')
-                csv_object = convert_crm_csvdata(target_object,  sf_object_jsons)
+                csv_object = convert_crm_csvdata(target_object, sf_object_jsons)
 
                 # 10. CSVバックアップ処理を呼び出す
                 logger.info(
diff --git a/ecs/crm-datafetch/src/upd.py b/ecs/crm-datafetch/src/upd.py
index d69bddcc..d6a8ef03 100644
--- a/ecs/crm-datafetch/src/upd.py
+++ b/ecs/crm-datafetch/src/upd.py
@@ -12,7 +12,7 @@ def updload_last_fetch_datetime(target_object, last_fetch_datetime):
         f'I-UPD-01 [{target_object.object_name}] の前回取得日時ファイルの更新処理を開始します')
 
     try:
-        if target_object.is_update_last_fetch_datetime == False:
+        if target_object.is_update_last_fetch_datetime is False:
             # ② オブジェクト情報.is_update_last_fetch_datetimeがfalseの場合、以降の処理をスキップする
             logger.info(
                 f'I-UPD-02 [{target_object.object_name}] の前回取得日時ファイルの更新処理をスキップします')
@@ -33,7 +33,9 @@ def updload_last_fetch_datetime(target_object, last_fetch_datetime):
 
     except Exception as e:
         raise FileUploadException(
-            'E-UPD-01', UPD_JP_NAME, f'[{target_object.object_name}] 前回処理日時ファイルのアップロードに失敗しました ファイル名：[{target_object.last_fetch_datetime_file_name}] エラー内容:[{e}]')
+            'E-UPD-01',
+            UPD_JP_NAME,
+            f'[{target_object.object_name}] 前回処理日時ファイルのアップロードに失敗しました ファイル名：[{target_object.last_fetch_datetime_file_name}] エラー内容:[{e}]')
 
     # ④ 前回取得日時ファイル更新処理の終了ログを出力する
     logger.info(