Fix a few Intellij IDEA warnings

src/docker_hub.py

@@ -9,17 +9,17 @@ Unfortunately images creation date cannot be retrieved, so we had to use the tag
 METHOD = "docker_hub"
 
 
-def fetch_releases(product: endoflife.Product, config: endoflife.AutoConfig, url: str) -> None:
+def fetch_releases(p: endoflife.Product, c: endoflife.AutoConfig, url: str) -> None:
     data = http.fetch_url(url).json()
 
     for result in data["results"]:
         version_str = result["name"]
-        if config.first_match(version_str):
+        if c.first_match(version_str):
             date = dates.parse_datetime(result["tag_last_pushed"])
-            product.declare_version(version_str, date)
+            p.declare_version(version_str, date)
 
     if data["next"]:
-        fetch_releases(product, config, data["next"])
+        fetch_releases(p, c, data["next"])
 
 
 p_filter = sys.argv[1] if len(sys.argv) > 1 else None
@@ -29,8 +29,7 @@ for product_name in endoflife.list_products(METHOD, p_filter):
 
     product_frontmatter = endoflife.ProductFrontmatter(product.name)
     for config in product_frontmatter.get_auto_configs(METHOD):
-        url = f"https://hub.docker.com/v2/repositories/{config.url}/tags?page_size=100&page=1"
-        fetch_releases(product, config, url)
+        fetch_releases(product, config, f"https://hub.docker.com/v2/repositories/{config.url}/tags?page_size=100&page=1")
 
     product.write()
     print("::endgroup::")