Reformat code using black

Segments where readability was hampered were fixed by appropriate
format skipping directives. New code should hopefully be black
compatible. The moment they remove the -S option is probably the moment
I stop using black though.

discord/oggparse.py

@@ -36,13 +36,17 @@ __all__ = (
     'OggStream',
 )
 
+
 class OggError(DiscordException):
     """An exception that is thrown for Ogg stream parsing errors."""
+
     pass
 
+
 # https://tools.ietf.org/html/rfc3533
 # https://tools.ietf.org/html/rfc7845
 
+
 class OggPage:
     _header: ClassVar[struct.Struct] = struct.Struct('<xBQIIIB')
     if TYPE_CHECKING:
@@ -57,11 +61,10 @@ class OggPage:
         try:
             header = stream.read(struct.calcsize(self._header.format))
 
-            self.flag, self.gran_pos, self.serial, \
-            self.pagenum, self.crc, self.segnum = self._header.unpack(header)
+            self.flag, self.gran_pos, self.serial, self.pagenum, self.crc, self.segnum = self._header.unpack(header)
 
             self.segtable: bytes = stream.read(self.segnum)
-            bodylen = sum(struct.unpack('B'*self.segnum, self.segtable))
+            bodylen = sum(struct.unpack('B' * self.segnum, self.segtable))
             self.data: bytes = stream.read(bodylen)
         except Exception:
             raise OggError('bad data stream') from None
@@ -76,7 +79,7 @@ class OggPage:
                 partial = True
             else:
                 packetlen += seg
-                yield self.data[offset:offset+packetlen], True
+                yield self.data[offset : offset + packetlen], True
                 offset += packetlen
                 packetlen = 0
                 partial = False
@@ -84,6 +87,7 @@ class OggPage:
         if partial:
             yield self.data[offset:], False
 
+
 class OggStream:
     def __init__(self, stream: IO[bytes]) -> None:
         self.stream: IO[bytes] = stream