4 files changed, 9 insertions, 9 deletions
diff --git a/src/sec_certs/utils/helpers.py b/src/sec_certs/utils/helpers.py
index c103a2d3..c0440008 100644
--- a/src/sec_certs/utils/helpers.py
+++ b/src/sec_certs/utils/helpers.py
@@ -4,11 +4,12 @@ import hashlib
 import logging
 import re
 import time
+from collections.abc import Collection
 from contextlib import nullcontext
 from datetime import datetime
 from functools import partial
 from pathlib import Path
-from typing import Any, Collection
+from typing import Any
 
 import numpy as np
 import pkgconfig
diff --git a/src/sec_certs/utils/parallel_processing.py b/src/sec_certs/utils/parallel_processing.py
index ae3f0b44..a30e080b 100644
--- a/src/sec_certs/utils/parallel_processing.py
+++ b/src/sec_certs/utils/parallel_processing.py
@@ -1,9 +1,10 @@
 from __future__ import annotations
 
 import time
+from collections.abc import Callable, Iterable
 from multiprocessing import cpu_count
 from multiprocessing.pool import Pool, ThreadPool
-from typing import Any, Callable, Iterable
+from typing import Any
 
 from sec_certs.configuration import config
 from sec_certs.utils.tqdm import tqdm
diff --git a/src/sec_certs/utils/plot_utils.py b/src/sec_certs/utils/plot_utils.py
index b9e7ac7c..eca79070 100644
--- a/src/sec_certs/utils/plot_utils.py
+++ b/src/sec_certs/utils/plot_utils.py
@@ -1,5 +1,3 @@
-from typing import Dict, List, Tuple
-
 from networkx import DiGraph
 from pandas import DataFrame
 
@@ -20,8 +18,8 @@ def get_cert_property(df: DataFrame, cert_id: int, column: str) -> str:
 
 
 def get_fips_cert_references_graph(
-    df: DataFrame, cert_id: int, colour_mapper: Dict[str, str]
-) -> Tuple[DiGraph, List[str]]:
+    df: DataFrame, cert_id: int, colour_mapper: dict[str, str]
+) -> tuple[DiGraph, list[str]]:
     if cert_id not in df["cert_id"].unique():
         raise ValueError(f"Cert ID: {cert_id} is not in the dataset")
 
@@ -45,7 +43,7 @@ def get_fips_cert_references_graph(
     return graph, colour_map
 
 
-def get_most_referenced_cert_graph(df: DataFrame, status_colour_mapper: Dict[str, str]) -> Tuple[DiGraph, List[str]]:
+def get_most_referenced_cert_graph(df: DataFrame, status_colour_mapper: dict[str, str]) -> tuple[DiGraph, list[str]]:
     graph = DiGraph()
     colour_map = []
     max_referenced_by_num = df["incoming_direct_references_count"].max()
@@ -66,7 +64,7 @@ def get_most_referenced_cert_graph(df: DataFrame, status_colour_mapper: Dict[str
     return graph, colour_map
 
 
-def get_most_referencing_cert_graph(df: DataFrame, status_colour_mapper: Dict[str, str]) -> Tuple[DiGraph, List[str]]:
+def get_most_referencing_cert_graph(df: DataFrame, status_colour_mapper: dict[str, str]) -> tuple[DiGraph, list[str]]:
     graph = DiGraph()
     colour_map = []
     max_referencing_num = df["outgoing_direct_references_count"].max()
diff --git a/src/sec_certs/utils/sanitization.py b/src/sec_certs/utils/sanitization.py
index 3563e1f4..17e34362 100644
--- a/src/sec_certs/utils/sanitization.py
+++ b/src/sec_certs/utils/sanitization.py
@@ -28,7 +28,7 @@ def sanitize_date(record: pd.Timestamp | date | np.datetime64) -> date | None:
         return None
     if isinstance(record, pd.Timestamp):
         return record.date()
-    if isinstance(record, (date, type(None))):
+    if isinstance(record, date | type(None)):
         return record
     raise ValueError("Unsupported type given as input")