Reduce logging errors

The library can continue functioning in these cases, so "error" is inappropriate. Either include traceback info in the raised exception and let the caller decide whether it is a true error, or reduce the log level to warning.

tldextract/cache.py

@@ -113,8 +113,7 @@ def get(self, namespace: str, key: str | dict[str, Hashable]) -> object:
             with open(cache_filepath) as cache_file:
                 return json.load(cache_file)
         except (OSError, ValueError) as exc:
-            LOG.error("error reading TLD cache file %s: %s", cache_filepath, exc)
-            raise KeyError("namespace: " + namespace + " key: " + repr(key)) from None
+            raise KeyError("namespace: " + namespace + " key: " + repr(key)) from exc
 
     def set(  # noqa: A003
         self, namespace: str, key: str | dict[str, Hashable], value: object

tldextract/suffix_list.py

@@ -47,7 +47,9 @@ def find_first_response(
                     session=session, url=url, timeout=cache_fetch_timeout
                 )
             except requests.exceptions.RequestException:
-                LOG.exception("Exception reading Public Suffix List url %s", url)
+                LOG.warning(
+                    "Exception reading Public Suffix List url %s", url, exc_info=True
+                )
     finally:
         # Ensure the session is always closed if it's constructed in the method
         if session_created: