Fix up to look nice

unblob/handlers/archive/zip.py

@@ -1,12 +1,12 @@
 import io
 import zipfile
+from typing import List, Union
 
 from dissect.cstruct import cstruct
 from structlog import get_logger
-from typing import List, Set, Tuple, Union
 
-from ...models import ValidChunk, UnknownChunk
 from ...file_utils import find_first
+from ...models import UnknownChunk, ValidChunk
 
 logger = get_logger()
 
@@ -113,7 +113,7 @@ def _calculate_zipfile_end(file: io.BufferedReader, start_offset: int) -> int:
     # In our case, we want to find the first instance of the EOCD record header, not the last!
     zip_end = find_first(file, b"\x50\x4b\x05\x06") + start_offset
     file.seek(zip_end)
-    eocd = cparser.end_of_central_directory(file)
+    _ = cparser.end_of_central_directory(file)
     return file.tell()
 
 
@@ -148,7 +148,7 @@ def calculate_chunk(
         return UnknownChunk(
             start_offset=start_offset,
             end_offset=end_of_zip,
-            reason=f"ZIP contains encrypted files.",
+            reason="ZIP contains encrypted files.",
         )
 
     return ValidChunk(