minor updates so tests pass

Author: ianare

exifread/__init__.py

@@ -85,10 +85,9 @@ def process_file(
     hdr = ExifHeader(
         fh, endian_str, offset, fake_exif, strict, debug, details, truncate_tags
     )
-    ifd_list = hdr.list_ifd()
     thumb_ifd = 0
     ctr = 0
-    for ifd in ifd_list:
+    for ifd in hdr.list_ifd():
         if ctr == 0:
             ifd_name = "Image"
         elif ctr == 1:
@@ -120,11 +119,11 @@ def process_file(
     if details and "EXIF MakerNote" in hdr.tags and "Image Make" in hdr.tags:
         try:
             hdr.decode_maker_note()
-        except ValueError as e:
+        except ValueError as err:
             if not strict:
-                logger.debug("Failed to decode EXIF MakerNote")
+                logger.debug("Failed to decode EXIF MakerNote: %s", str(err))
             else:
-                raise e
+                raise err
 
     # extract thumbnails
     if thumb_ifd and extract_thumbnail:

exifread/core/exif_header.py

@@ -194,7 +194,9 @@ def _process_field(
                 offset = offset + type_length
         return values
 
-    def _process_ascii_field(self, ifd_name, tag_name, count: int, offset: int):
+    def _process_ascii_field(
+        self, ifd_name: str, tag_name: str, count: int, offset: int
+    ):
         values: Union[str, bytes] = ""
         # special case: null-terminated ASCII string
         # XXX investigate
@@ -285,8 +287,8 @@ def _process_tag(
         entry: int,
         tag: int,
         tag_name: str,
-        relative,
-        stop_tag,
+        relative: bool,
+        stop_tag: str,
     ) -> None:
         field_type_id = self.s2n(entry + 2, 2)
         try: