Upgrade pre-commit and associated tools; various lints

src/ocrmypdf/_exec/ghostscript.py

@@ -24,14 +24,12 @@ from ocrmypdf.exceptions import MissingDependencyError, SubprocessOutputError
 from ocrmypdf.helpers import Resolution
 from ocrmypdf.subprocess import get_version, run, run_polling_stderr
 
+# Remove this workaround when we require Pillow >= 10
 try:
-    ROTATE_90 = Image.Transpose.ROTATE_90
-    ROTATE_180 = Image.Transpose.ROTATE_180
-    ROTATE_270 = Image.Transpose.ROTATE_270
+    Transpose = Image.Transpose  # type: ignore
 except AttributeError:
-    ROTATE_90 = Image.ROTATE_90
-    ROTATE_180 = Image.ROTATE_180
-    ROTATE_270 = Image.ROTATE_270
+    # Pillow 9 shim
+    Transpose = Image  # type: ignore
 
 log = logging.getLogger(__name__)
 
@@ -47,7 +45,7 @@ For details see:
 """
 
 # Most reliable what to get the bitness of Python interpreter, according to Python docs
-_is_64bit = sys.maxsize > 2 ** 32
+_is_64bit = sys.maxsize > 2**32
 
 _gswin = None
 if os.name == 'nt':
@@ -141,11 +139,11 @@ def rasterize_pdf(
                 # rotation is a clockwise angle and Image.ROTATE_* is
                 # counterclockwise so this cancels out the rotation
                 if rotation == 90:
-                    im = im.transpose(ROTATE_90)
+                    im = im.transpose(Transpose.ROTATE_90)
                 elif rotation == 180:
-                    im = im.transpose(ROTATE_180)
+                    im = im.transpose(Transpose.ROTATE_180)
                 elif rotation == 270:
-                    im = im.transpose(ROTATE_270)
+                    im = im.transpose(Transpose.ROTATE_270)
                 if rotation % 180 == 90:
                     page_dpi = page_dpi.flip_axis()
             im.save(fspath(output_file), dpi=page_dpi)