updates

Backend/venv/lib/python3.12/site-packages/PIL/ImtImagePlugin.py

@@ -13,7 +13,7 @@
 #
 # See the README file for information on usage and redistribution.
 #
-
+from __future__ import annotations
 
 import re
 
@@ -33,10 +33,12 @@ class ImtImageFile(ImageFile.ImageFile):
     format = "IMT"
     format_description = "IM Tools"
 
-    def _open(self):
+    def _open(self) -> None:
         # Quick rejection: if there's not a LF among the first
         # 100 bytes, this is (probably) not a text header.
 
+        assert self.fp is not None
+
         buffer = self.fp.read(100)
         if b"\n" not in buffer:
             msg = "not an IM file"
@@ -53,14 +55,14 @@ class ImtImageFile(ImageFile.ImageFile):
             if not s:
                 break
 
-            if s == b"\x0C":
+            if s == b"\x0c":
                 # image data begins
                 self.tile = [
-                    (
+                    ImageFile._Tile(
                         "raw",
                         (0, 0) + self.size,
                         self.fp.tell() - len(buffer),
-                        (self.mode, 0, 1),
+                        self.mode,
                     )
                 ]