Fix some typing issues

src/ocrmypdf/_pipelines/_common.py

@@ -57,9 +57,11 @@ log = logging.getLogger(__name__)
 tls = threading.local()
 tls.pageno = None
 
+
 def _set_logging_tls(tls):
     """Inject current page number (when available) into log records."""
     old_factory = logging.getLogRecordFactory()
+
     def wrapper(*args, **kwargs):
         record = old_factory(*args, **kwargs)
         if hasattr(tls, 'pageno'):
@@ -72,7 +74,7 @@ def _set_logging_tls(tls):
 _set_logging_tls(tls)
 
 
-def set_thread_pageno(pageno:int):
+def set_thread_pageno(pageno: int | None):
     """Set page number (1-based) that the current thread is processing."""
     tls.pageno = pageno
 

src/ocrmypdf/_plugin_manager.py

@@ -33,7 +33,7 @@ class OcrmypdfPluginManager(pluggy.PluginManager):
     def __init__(
         self,
         *args,
-        plugins: list[str | Path],
+        plugins: Sequence[str | Path],
         builtins: bool = True,
         **kwargs,
     ):
@@ -101,7 +101,7 @@ class OcrmypdfPluginManager(pluggy.PluginManager):
 
 
 def get_plugin_manager(
-    plugins: list[str | Path] | None = None, builtins=True
+    plugins: Sequence[str | Path] | None = None, builtins=True
 ) -> OcrmypdfPluginManager:
     return OcrmypdfPluginManager(
         project_name='ocrmypdf',

src/ocrmypdf/api.py

@@ -10,7 +10,7 @@ import os
 import sys
 import threading
 from argparse import Namespace
-from collections.abc import Iterable
+from collections.abc import Iterable, Sequence
 from enum import IntEnum
 from io import IOBase
 from pathlib import Path
@@ -414,7 +414,7 @@ def pdf_to_hocr(  # noqa: D417
     continue_on_soft_render_error: bool | None = None,
     invalidate_digital_signatures: bool | None = None,
     plugin_manager=None,
-    plugins: Iterable[StrPath] | None = None,
+    plugins: Sequence[StrPath] | None = None,
     keep_temporary_files: bool | None = None,
     **kwargs,
 ):
@@ -483,7 +483,7 @@ def hocr_to_ocr_pdf(  # noqa: D417
     color_conversion_strategy: str | None = None,
     fast_web_view: float | None = None,
     plugin_manager=None,
-    plugins: Iterable[StrPath] | None = None,
+    plugins: Sequence[StrPath] | None = None,
     **kwargs,
 ):
     """Run OCRmyPDF on a work folder and produce an output PDF.

src/ocrmypdf/helpers.py

@@ -324,7 +324,11 @@ def pikepdf_enable_mmap() -> None:
         pikepdf._core.set_access_default_mmap(True)
         log.debug(
             "pikepdf mmap "
-            + ('enabled' if pikepdf._core.get_access_default_mmap() else 'disabled')
+            + (
+                'enabled'
+                if pikepdf._core.get_access_default_mmap()  # type: ignore[attr-defined]
+                else 'disabled'
+            )
         )
     except AttributeError:
         log.debug("pikepdf mmap not available")

src/ocrmypdf/pdfinfo/info.py

@@ -32,6 +32,7 @@ from pikepdf import (
     PdfImage,
     PdfInlineImage,
     PdfMatrix,
+    Stream,
     UnsupportedImageTypeError,
     parse_content_stream,
 )
@@ -357,7 +358,7 @@ class ImageInfo:
         if inline is not None:
             self._origin = 'inline'
             pim = inline
-        elif pdfimage is not None:
+        elif pdfimage is not None and isinstance(pdfimage, Stream):
             self._origin = 'xobject'
             pim = PdfImage(pdfimage)
         else: