diff --git a/micropip/package_index.py b/micropip/package_index.py
index 490684d..f706d41 100644
--- a/micropip/package_index.py
+++ b/micropip/package_index.py
@@ -1,7 +1,7 @@
 import json
+import logging
 import string
 import sys
-import logging
 from collections import defaultdict
 from collections.abc import Callable, Generator
 from dataclasses import dataclass
@@ -235,6 +235,7 @@ class UnsupportedParserContentTypeError(BaseException):
 
     pass
 
+
 def _select_parser(content_type: str, pkgname: str) -> Callable[[str], ProjectInfo]:
     """
     Select the function to parse the response based on the content type.
@@ -267,6 +268,7 @@ def _select_parser(content_type: str, pkgname: str) -> Callable[[str], ProjectIn
 class IndexMetadataFetchError(BaseException):
     pass
 
+
 async def query_package(
     name: str,
     fetch_kwargs: dict[str, Any] | None = None,
diff --git a/micropip/transaction.py b/micropip/transaction.py
index 7e1e778..299583d 100644
--- a/micropip/transaction.py
+++ b/micropip/transaction.py
@@ -14,7 +14,7 @@
 from ._utils import best_compatible_tag_index, check_compatible
 from .constants import FAQ_URLS
 from .package import PackageMetadata
-from .package_index import ProjectInfo, IndexMetadataFetchError
+from .package_index import ProjectInfo
 from .wheelinfo import WheelInfo
 
 logger = logging.getLogger("micropip")