Adjust type hints to comply with the pyupgrade pre-commit hook

This gets rid of some errors from the pyupgrade pre-commit hook.

Author: jsf9k

src/cyhy_cvesync/cve_sync.py

@@ -6,7 +6,6 @@
 from io import BytesIO
 import json
 import logging
-from typing import Dict, List, Tuple
 import urllib.request
 
 # Third-Party Libraries
@@ -24,15 +23,15 @@
 PREFERRED_CVSS_METRICS = ["cvssMetricV31", "cvssMetricV30", "cvssMetricV2"]
 
 # Map to track existing CVE documents that were not updated
-cve_map: Dict[str, CVEDoc] = {}
+cve_map: dict[str, CVEDoc] = {}
 cve_map_lock = asyncio.Lock()
 
 logger = logging.getLogger(f"{CYHY_ROOT_LOGGER}.{__name__}")
 
 
 async def process_cve_json(
     cve_json: dict, cve_authoritative_source: str
-) -> Tuple[int, int]:
+) -> tuple[int, int]:
     """
     Process the provided CVEs JSON and update the database with their contents.
 
@@ -186,11 +185,11 @@ async def fetch_cve_data(session: ClientSession, cve_url: str, gzipped: bool) ->
 
 
 async def process_urls(
-    cve_urls: List[str],
+    cve_urls: list[str],
     cve_data_gzipped: bool,
     concurrency: int,
     cve_authoritative_source: str,
-) -> Tuple[int, int, int]:
+) -> tuple[int, int, int]:
     """
     Process URLs containing CVE data.
 

src/cyhy_cvesync/main.py

@@ -5,7 +5,6 @@
 import asyncio
 import logging
 import sys
-from typing import Optional
 
 # Third-Party Libraries
 from cyhy_config import get_config
@@ -33,7 +32,7 @@ def generate_urls(url_pattern: str) -> list[str]:
 
 
 async def do_cve_sync(
-    config_file: Optional[str] = None, arg_log_level: Optional[str] = None
+    config_file: str | None = None, arg_log_level: str | None = None
 ) -> None:
     """Perform the CVE synchronization."""
     setup_logging(arg_log_level)

src/cyhy_cvesync/models/config_model.py

@@ -1,8 +1,5 @@
 """Model definitions for the configuration."""
 
-# Standard Python Libraries
-from typing import Optional
-
 # Third-Party Libraries
 from pydantic import BaseModel, ConfigDict, Field
 
@@ -31,7 +28,7 @@ class CVESync(BaseModel):
         default=DEFAULT_CVE_URL_PATTERN,
         description="URL pattern for the CVE JSON file; note that {year} in the pattern will be substituted with each valid year",
     )
-    log_level: Optional[str] = Field(
+    log_level: str | None = Field(
         None,
         description="Logging level",
     )