From cafc329f4035af5a9ebebe184d07ef6ea23838dc Mon Sep 17 00:00:00 2001
From: jorenham <jhammudoglu@gmail.com>
Date: Tue, 27 Jan 2026 11:29:39 +0100
Subject: [PATCH 1/2] enable the mypy "truthy-bool" error code

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index cc616bc547c..c5211941710 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -218,7 +218,7 @@ python_version = "3.10"
 pretty = true
 disallow_any_generics = true
 disallow_untyped_defs = true
-enable_error_code = "ignore-without-code"
+enable_error_code = [ "ignore-without-code", "truthy-bool" ]
 extra_checks = true
 follow_imports = "silent"
 warn_redundant_casts = true

From c18d0d012e705dab95c09a4d5bfa61a291c95832 Mon Sep 17 00:00:00 2001
From: jorenham <jhammudoglu@gmail.com>
Date: Tue, 27 Jan 2026 11:30:07 +0100
Subject: [PATCH 2/2] fix mypy "truthy-bool" errors

---
 Tests/test_image.py                 |  2 +-
 Tests/test_pyarrow.py               |  2 --
 Tests/test_qt_image_qapplication.py |  3 +--
 checks/check_png_dos.py             |  3 +--
 src/PIL/Image.py                    | 15 +++++----------
 src/PIL/ImageFont.py                |  2 +-
 6 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/Tests/test_image.py b/Tests/test_image.py
index c064939e81a..09ed9aeb547 100644
--- a/Tests/test_image.py
+++ b/Tests/test_image.py
@@ -570,7 +570,7 @@ def test_check_size(self) -> None:
         im = Image.new("L", (100, 0))
         assert im.size == (100, 0)
 
-        assert Image.new("RGB", (1, 1))
+        assert isinstance(Image.new("RGB", (1, 1)), Image.Image)
         # Should pass lists too
         i = Image.new("RGB", [1, 1])
         assert isinstance(i.size, tuple)
diff --git a/Tests/test_pyarrow.py b/Tests/test_pyarrow.py
index a69504e78a0..08455a7f70c 100644
--- a/Tests/test_pyarrow.py
+++ b/Tests/test_pyarrow.py
@@ -112,8 +112,6 @@ def test_to_array(mode: str, dtype: pyarrow.DataType, mask: list[int] | None) ->
 
     reloaded = Image.fromarrow(arr, mode, img.size)
 
-    assert reloaded
-
     assert_image_equal(img, reloaded)
 
 
diff --git a/Tests/test_qt_image_qapplication.py b/Tests/test_qt_image_qapplication.py
index b31e2a4ef25..ff5c877af23 100644
--- a/Tests/test_qt_image_qapplication.py
+++ b/Tests/test_qt_image_qapplication.py
@@ -56,9 +56,8 @@ def roundtrip(expected: Image.Image) -> None:
 def test_sanity(tmp_path: Path) -> None:
     # Segfault test
     app: QApplication | None = QApplication([])
-    ex = Example()
+    ex = Example()  # noqa: F841
     assert app  # Silence warning
-    assert ex  # Silence warning
 
     for mode in ("1", "RGB", "RGBA", "L", "P"):
         # to QPixmap
diff --git a/checks/check_png_dos.py b/checks/check_png_dos.py
index 1bfb94ab7f7..15b2fe30821 100644
--- a/checks/check_png_dos.py
+++ b/checks/check_png_dos.py
@@ -28,8 +28,7 @@ def test_dos_text() -> None:
     try:
         im = Image.open(TEST_FILE)
         im.load()
-    except ValueError as msg:
-        assert msg, "Decompressed Data Too Large"
+    except ValueError:
         return
 
     assert isinstance(im, PngImagePlugin.PngImageFile)
diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index fdcc680b900..d5089ddc9f1 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -438,33 +438,28 @@ def preinit() -> None:
         return
 
     try:
-        from . import BmpImagePlugin
+        from . import BmpImagePlugin as BmpImagePlugin
 
-        assert BmpImagePlugin
     except ImportError:
         pass
     try:
-        from . import GifImagePlugin
+        from . import GifImagePlugin as GifImagePlugin
 
-        assert GifImagePlugin
     except ImportError:
         pass
     try:
-        from . import JpegImagePlugin
+        from . import JpegImagePlugin as JpegImagePlugin
 
-        assert JpegImagePlugin
     except ImportError:
         pass
     try:
-        from . import PpmImagePlugin
+        from . import PpmImagePlugin as PpmImagePlugin
 
-        assert PpmImagePlugin
     except ImportError:
         pass
     try:
-        from . import PngImagePlugin
+        from . import PngImagePlugin as PngImagePlugin
 
-        assert PngImagePlugin
     except ImportError:
         pass
 
diff --git a/src/PIL/ImageFont.py b/src/PIL/ImageFont.py
index d11f7bf01ad..b966a865e45 100644
--- a/src/PIL/ImageFont.py
+++ b/src/PIL/ImageFont.py
@@ -110,7 +110,7 @@ def _load_pilfont(self, filename: str) -> None:
                 except Exception:
                     pass
                 else:
-                    if image and image.mode in ("1", "L"):
+                    if image.mode in ("1", "L"):
                         break
             else:
                 if image: