Several fixes

imagescanner.py

@@ -286,7 +286,7 @@ class CacheWriter(QThread):
         self._condition_new_data = QWaitCondition()
         self._condition_space_available = QWaitCondition()
         # Soft limit for blocking producers (background threads)
-        self.setObjectName("CacheWriterThread") # Add this line
+        self.setObjectName("CacheWriterThread")  # Add this line
         self._max_size = 50
         self._running = True
 
@@ -758,7 +758,8 @@ class ThumbnailCache(QObject):
             self._broken_cache[key] = (mtime, error_msg)
 
     def get_broken_info(self, path, size, mtime, inode, dev_id):
-        """Returns the error message if a thumbnail is known to have failed, else None."""
+        """Returns the error message if a thumbnail is known to have failed, else
+        None."""
         key = (dev_id, struct.pack('Q', inode) if inode is not None else None, size)
         with self._read_lock():
             info = self._broken_cache.get(key)
@@ -889,7 +890,8 @@ class ThumbnailCache(QObject):
         # Check if known to be broken
         broken_msg = self.get_broken_info(path, target_tier, mtime, inode, device_id)
         if broken_msg:
-            return ThumbnailResult(self._broken_images.get(target_tier), mtime, target_tier)
+            return ThumbnailResult(
+                self._broken_images.get(target_tier), mtime, target_tier)
 
         best_img, best_mtime, best_tier = None, 0, 0
 
@@ -1488,7 +1490,6 @@ class ImageScanner(QThread):
 
     def __init__(self, cache, paths, is_file_list=False, viewers=None,
                  thread_pool_manager=None, target_sizes=None):
-        # is_file_list is not used
         if not paths or not isinstance(paths, (list, tuple)):
             logger.warning("ImageScanner initialized with empty or invalid paths")
             paths = []
@@ -1851,7 +1852,8 @@ class ImageScanner(QThread):
                 return
 
             for f_path, _ in tasks:
-                r = ScannerWorker(self.cache, f_path, semaphore=sem, target_sizes=self.target_sizes)
+                r = ScannerWorker(
+                    self.cache, f_path, semaphore=sem, target_sizes=self.target_sizes)
                 r.setAutoDelete(False)
                 runnables.append(r)
                 self._current_workers.append(r)