API refactor

venv/lib/python3.12/site-packages/jwt/jwks_client.py

@@ -45,7 +45,9 @@ class PyJWKClient:
         if cache_keys:
             # Cache signing keys
             # Ignore mypy (https://github.com/python/mypy/issues/2427)
-            self.get_signing_key = lru_cache(maxsize=max_cached_keys)(self.get_signing_key)  # type: ignore
+            self.get_signing_key = lru_cache(maxsize=max_cached_keys)(
+                self.get_signing_key
+            )  # type: ignore
 
     def fetch_data(self) -> Any:
         jwk_set: Any = None
@@ -58,7 +60,7 @@ class PyJWKClient:
         except (URLError, TimeoutError) as e:
             raise PyJWKClientConnectionError(
                 f'Fail to fetch data from the url, err: "{e}"'
-            )
+            ) from e
         else:
             return jwk_set
         finally: