diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..a7033e2
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,6 @@
+repos:
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.1.0
+    hooks:
+      - id: ruff
+        args: [--fix]
\ No newline at end of file
diff --git a/credit_card_abacus_da/abacus_cc_loader_from_centaur.py b/credit_card_abacus_da/abacus_cc_loader_from_centaur.py
index a467c4c..382234e 100644
--- a/credit_card_abacus_da/abacus_cc_loader_from_centaur.py
+++ b/credit_card_abacus_da/abacus_cc_loader_from_centaur.py
@@ -36,7 +36,7 @@ def load(is_service):
                     return AbacusCCLoaderFromCentaur.clean_and_load_cc(centaur, abacus, is_service)
                 else:
                     return AbacusCCLoaderFromCentaur.LoadStatus.FINISHED
-        except Exception as ex:
+        except Exception:
             # abacus.write_cc_log_file(start, pd.Timestamp.now(), "0", 0, str(ex))
             return AbacusCCLoaderFromCentaur.LoadStatus.ERROR
 
diff --git a/credit_card_abacus_da/cc_abacus_da.py b/credit_card_abacus_da/cc_abacus_da.py
index 5b738bf..460933f 100644
--- a/credit_card_abacus_da/cc_abacus_da.py
+++ b/credit_card_abacus_da/cc_abacus_da.py
@@ -83,7 +83,7 @@ def do_atmp_abacus_cc_job(self, dt_atmp_t17, is_service):
 
             return True
 
-        except Exception as ex:
+        except Exception:
             if is_service:
                 self.update_load_log_cc('1', self.WorkingDay.strftime("%d/%m/%Y"))  # set load to true
             # self.write_cc_log(self.start, datetime.now(), '0', 0, str(ex))
@@ -212,12 +212,12 @@ def build_data_table_atmp_t18_for_single_product(self, atmp_t18, t18rows, atmp_t
         # Update ATMP_t17_row's "DATE_SINCE_PAST_DUE" field
         atmp_t17_row["DATE_SINCE_PAST_DUE"] = self.WorkingDay - pd.to_timedelta(int(atmp_t17_row["DAYS_PAST_DUE"]), unit='d')
 
-        last_payment_amount = 0.0
-        last_minimum_payment = 0.0
-        last_sum_of_payment = 0.0
-        last_period = 30000101
+        #last_payment_amount = 0.0
+        #last_minimum_payment = 0.0
+        #last_sum_of_payment = 0.0
+        #last_period = 30000101
         nr_payments_past_due = 0
-        last_due_date_dlq = pd.NaT  # Pandas equivalent of DateTime.MinValue
+        #last_due_date_dlq = pd.NaT  # Pandas equivalent of DateTime.MinValue
 
         # Check if there are rows in t18rows
         if not t18rows.empty:
@@ -242,7 +242,7 @@ def build_data_table_atmp_t18_for_single_product(self, atmp_t18, t18rows, atmp_t
                 # Compare PERIOD values to decide further logic
                 if int(t18row["PERIOD"]) == int(atmp_t17_row["PERIOD"]):
                     atmp_t18_row["LAST_SUM_OF_PAYMENT"] = atmp_t17_row["SUM_OF_PAYMENTS"]
-                    last_payment_amount = float(atmp_t17_row["SUM_OF_PAYMENTS"]) - float(t18row["LAST_SUM_OF_PAYMENT"])
+                    #last_payment_amount = float(atmp_t17_row["SUM_OF_PAYMENTS"]) - float(t18row["LAST_SUM_OF_PAYMENT"])
 
                     if self.WorkingDay > pd.to_datetime(atmp_t18_row["PRINCIPAL_PAYMENT_DATE"]):
                         atmp_t18_row["IS_PASTDUE"] = "1"
@@ -255,10 +255,10 @@ def build_data_table_atmp_t18_for_single_product(self, atmp_t18, t18rows, atmp_t
                     nr_payments_past_due += 1
 
                 # Convert fields to the appropriate types and store the values
-                last_minimum_payment = float(atmp_t18_row.get("MINIMUM_PAYMENT", 0))
-                last_period = int(atmp_t18_row.get("PERIOD", 30000101))
-                last_due_date_dlq = pd.to_datetime(atmp_t18_row.get("DUE_DATE_DLQ", pd.NaT))
-                last_sum_of_payment = float(atmp_t18_row.get("LAST_SUM_OF_PAYMENT", 0))
+                #last_minimum_payment = float(atmp_t18_row.get("MINIMUM_PAYMENT", 0))
+                #last_period = int(atmp_t18_row.get("PERIOD", 30000101))
+                #last_due_date_dlq = pd.to_datetime(atmp_t18_row.get("DUE_DATE_DLQ", pd.NaT))
+                #last_sum_of_payment = float(atmp_t18_row.get("LAST_SUM_OF_PAYMENT", 0))
 
                 # Append the new row to ATMP_T18 DataFrame
                 atmp_t18 = atmp_t18.append(atmp_t18_row, ignore_index=True)
diff --git a/credit_card_abacus_da/cc_centaur_da.py b/credit_card_abacus_da/cc_centaur_da.py
index c838a5e..b961c63 100644
--- a/credit_card_abacus_da/cc_centaur_da.py
+++ b/credit_card_abacus_da/cc_centaur_da.py
@@ -61,6 +61,6 @@ def parse_crown_date(self, value):
             month = int(value[4:6])
             day = int(value[6:8])
             return datetime(year, month, day)
-        except Exception as ex:
+        except Exception:
             # If parsing fails, return a default date or handle error appropriately
             return datetime.min
diff --git a/credit_card_abacus_da/log.py b/credit_card_abacus_da/log.py
index 14a06bb..c5bfea7 100644
--- a/credit_card_abacus_da/log.py
+++ b/credit_card_abacus_da/log.py
@@ -1,6 +1,4 @@
-import psycopg2
 import pandas as pd
-from datetime import datetime
 
 class Log:
     def __init__(self):
diff --git a/credit_card_abacus_service.py b/credit_card_abacus_service.py
index 3f51e13..55a7565 100644
--- a/credit_card_abacus_service.py
+++ b/credit_card_abacus_service.py
@@ -4,7 +4,6 @@
 from zeep import Client
 from zeep.transports import Transport
 from requests import Session
-from requests.exceptions import Timeout
 from credit_card_abacus_da.abacus_cc_loader_from_centaur import AbacusCCLoaderFromCentaur
 
 class CreditCardAbacusService:
diff --git a/pyproject.toml b/pyproject.toml
index a7240c3..da118d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,8 @@ requests-file = "2.1.0"
 requests-toolbelt = "1.0.0"
 pandas = "2.2.3"
 numpy = "2.1.2"
+pre-commit = "^4.0.1"
+ruff = "^0.7.2"
 
 [build-system]
 requires = ["poetry-core"]