diff --git a/picard/util/filenaming.py b/picard/util/filenaming.py
index 11e4c28b4e5..6f5ae72fa47 100644
--- a/picard/util/filenaming.py
+++ b/picard/util/filenaming.py
@@ -60,7 +60,7 @@
         import pywintypes
         import win32api
     except ImportError as e:
-        log.warning('pywin32 not available: %s', e)
+        log.warning("pywin32 not available: %s", e)
 
 
 def _get_utf16_length(text):
diff --git a/picard/util/imageinfo.py b/picard/util/imageinfo.py
index 4795e74f5f6..2fc20814fce 100644
--- a/picard/util/imageinfo.py
+++ b/picard/util/imageinfo.py
@@ -53,7 +53,7 @@ def __init__(self, data):
         self.data = data
         self.datalen = len(self.data)
         if self.datalen < 16:
-            raise NotEnoughData('Not enough data')
+            raise NotEnoughData("Not enough data")
 
     def read(self):
         self._read()
@@ -176,7 +176,7 @@ def _read(self):
             index = data.find(b'\x9d\x01\x2a')
             if index != -1:
                 if self.datalen < index + 7:
-                    raise NotEnoughData('Not enough data for WebP VP8')
+                    raise NotEnoughData("Not enough data for WebP VP8")
                 self.w, self.h = struct.unpack('<HH', data[index + 3:index + 7])
                 # Width and height are encoded as 14 bit integers, ignore the first 2 bits
                 self.w &= 0x3fff
@@ -186,14 +186,14 @@ def _read(self):
         # Simple File Format (Lossless)
         elif format == b'VP8L':
             if self.datalen < 25:
-                raise NotEnoughData('Not enough data for WebP VP8L')
+                raise NotEnoughData("Not enough data for WebP VP8L")
             reader = LSBBitReader(BytesIO(data[21:25]))
             self.w = reader.bits(14) + 1
             self.h = reader.bits(14) + 1
         # Extended File Format
         elif format == b'VP8X':
             if self.datalen < 30:
-                raise NotEnoughData('Not enough data for WebP VP8X')
+                raise NotEnoughData("Not enough data for WebP VP8X")
             reader = LSBBitReader(BytesIO(data[24:30]))
             self.w = reader.bits(24) + 1
             self.h = reader.bits(24) + 1
@@ -230,7 +230,7 @@ def _read(self):
         elif byte_order == TIFF_BYTE_ORDER_MSB:
             order = '>'
         else:
-            raise UnexpectedError('TIFF: unexpected byte order %r' % byte_order)
+            raise UnexpectedError("TIFF: unexpected byte order %r" % byte_order)
         try:
             offset, = struct.unpack(order + 'I', data[4:8])
             entry_count, = struct.unpack(order + 'H', data[offset:offset + 2])
@@ -259,7 +259,7 @@ def _read_value(tiff_type, order, data):
             value = data[:2]
             struct_format = order + 'H'
         else:
-            raise UnexpectedError('TIFF: unexpected field type %s' % tiff_type)
+            raise UnexpectedError("TIFF: unexpected field type %s" % tiff_type)
         return struct.unpack(struct_format, value)[0]
 
 
@@ -292,7 +292,7 @@ def identify(data):
         if obj.match():
             return obj.read()
 
-    raise UnrecognizedFormat('Unrecognized image data')
+    raise UnrecognizedFormat("Unrecognized image data")
 
 
 def supports_mime_type(mime):
diff --git a/picard/util/periodictouch.py b/picard/util/periodictouch.py
index 0b5322c19d5..02848a91b21 100644
--- a/picard/util/periodictouch.py
+++ b/picard/util/periodictouch.py
@@ -44,19 +44,19 @@ def unregister_file(filepath):
 
 
 def enable_timer():
-    log.debug('Setup timer for touching files every %i seconds', TOUCH_FILES_DELAY_SECONDS)
+    log.debug("Setup timer for touching files every %i seconds", TOUCH_FILES_DELAY_SECONDS)
     _touch_timer.timeout.connect(_touch_files)
     _touch_timer.start(TOUCH_FILES_DELAY_SECONDS * 1000)
 
 
 def _touch_files():
-    log.debug('Touching %i files', len(_files_to_touch))
+    log.debug("Touching %i files", len(_files_to_touch))
     for filepath in _files_to_touch.copy():
         path = Path(filepath)
         if path.exists():
             try:
                 path.touch()
             except OSError:
-                log.error('error touching file "%s"', filepath, exc_info=True)
+                log.error("error touching file `%s`", filepath, exc_info=True)
         else:
             unregister_file(filepath)
diff --git a/picard/util/pipe.py b/picard/util/pipe.py
index 5deca65a803..fefb924fbc6 100644
--- a/picard/util/pipe.py
+++ b/picard/util/pipe.py
@@ -143,11 +143,11 @@ def __init__(self, app_name: str, app_version: str, args: Optional[Iterable[str]
         if not isinstance(app_name, str) or not isinstance(app_version, str):
             raise PipeErrorInvalidAppData
 
-        self._identifier = identifier or "main"
+        self._identifier = identifier or 'main'
 
         if forced_path:
             self._paths = (forced_path,)
-        elif IS_WIN or os.getenv("HOME"):
+        elif IS_WIN or os.getenv('HOME'):
             self._paths = self.__generate_filenames(app_name, app_version)
             self.path_was_forced = False
         else:
@@ -468,7 +468,7 @@ def _reader(self) -> str:
                 self.__create_pipe()
 
         if message is not None:
-            message = message.decode("utf-8")
+            message = message.decode('utf-8')
             if exit_code == 0:
                 return message  # type: ignore
             else:
diff --git a/picard/util/remotecommands.py b/picard/util/remotecommands.py
index b61ac47f0d8..4c9112b0ae5 100644
--- a/picard/util/remotecommands.py
+++ b/picard/util/remotecommands.py
@@ -36,93 +36,93 @@ def __init__(self, method_name, help_text=None, help_args=None):
 
 
 REMOTE_COMMANDS = {
-    "CLEAR_LOGS": RemoteCommand(
-        "handle_command_clear_logs",
+    'CLEAR_LOGS': RemoteCommand(
+        'handle_command_clear_logs',
         help_text="Clear the Picard logs",
     ),
-    "CLUSTER": RemoteCommand(
-        "handle_command_cluster",
+    'CLUSTER': RemoteCommand(
+        'handle_command_cluster',
         help_text="Cluster all files in the cluster pane.",
     ),
-    "FINGERPRINT": RemoteCommand(
-        "handle_command_fingerprint",
+    'FINGERPRINT': RemoteCommand(
+        'handle_command_fingerprint',
         help_text="Calculate acoustic fingerprints for all (matched) files in the album pane.",
     ),
-    "FROM_FILE": RemoteCommand(
-        "handle_command_from_file",
+    'FROM_FILE': RemoteCommand(
+        'handle_command_from_file',
         help_text="Load commands from a file.",
         help_args="[Path to a file containing commands]",
     ),
-    "LOAD": RemoteCommand(
-        "handle_command_load",
+    'LOAD': RemoteCommand(
+        'handle_command_load',
         help_text="Load one or more files/MBIDs/URLs to Picard.",
         help_args="[supported MBID/URL or path to a file]",
     ),
-    "LOOKUP": RemoteCommand(
-        "handle_command_lookup",
+    'LOOKUP': RemoteCommand(
+        'handle_command_lookup',
         help_text="Lookup files in the clustering pane. Defaults to all files.",
         help_args="[clustered|unclustered|all]"
     ),
-    "LOOKUP_CD": RemoteCommand(
-        "handle_command_lookup_cd",
+    'LOOKUP_CD': RemoteCommand(
+        'handle_command_lookup_cd',
         help_text="Read CD from the selected drive and lookup on MusicBrainz. "
         "Without argument, it defaults to the first (alphabetically) available disc drive.",
         help_args="[device/log file]",
     ),
-    "PAUSE": RemoteCommand(
-        "handle_command_pause",
+    'PAUSE': RemoteCommand(
+        'handle_command_pause',
         help_text="Pause executable command processing.",
         help_args="[number of seconds to pause]",
     ),
-    "QUIT": RemoteCommand(
-        "handle_command_quit",
+    'QUIT': RemoteCommand(
+        'handle_command_quit',
         help_text="Exit the running instance of Picard. "
         "Use the argument 'FORCE' to bypass Picard's unsaved files check.",
         help_args="[FORCE]",
     ),
-    "REMOVE": RemoteCommand(
-        "handle_command_remove",
+    'REMOVE': RemoteCommand(
+        'handle_command_remove',
         help_text="Remove the file from Picard. Do nothing if no arguments provided.",
         help_args="[absolute path to one or more files]",
     ),
-    "REMOVE_ALL": RemoteCommand(
-        "handle_command_remove_all",
+    'REMOVE_ALL': RemoteCommand(
+        'handle_command_remove_all',
         help_text="Remove all files from Picard.",
     ),
-    "REMOVE_EMPTY": RemoteCommand(
-        "handle_command_remove_empty",
+    'REMOVE_EMPTY': RemoteCommand(
+        'handle_command_remove_empty',
         help_text="Remove all empty clusters and albums.",
     ),
-    "REMOVE_SAVED": RemoteCommand(
-        "handle_command_remove_saved",
+    'REMOVE_SAVED': RemoteCommand(
+        'handle_command_remove_saved',
         help_text="Remove all saved files from the album pane.",
     ),
-    "REMOVE_UNCLUSTERED": RemoteCommand(
-        "handle_command_remove_unclustered",
+    'REMOVE_UNCLUSTERED': RemoteCommand(
+        'handle_command_remove_unclustered',
         help_text="Remove all unclustered files from the cluster pane.",
     ),
-    "SAVE_MATCHED": RemoteCommand(
-        "handle_command_save_matched",
+    'SAVE_MATCHED': RemoteCommand(
+        'handle_command_save_matched',
         help_text="Save all matched files from the album pane."
     ),
-    "SAVE_MODIFIED": RemoteCommand(
-        "handle_command_save_modified",
+    'SAVE_MODIFIED': RemoteCommand(
+        'handle_command_save_modified',
         help_text="Save all modified files from the album pane.",
     ),
-    "SCAN": RemoteCommand(
-        "handle_command_scan",
+    'SCAN': RemoteCommand(
+        'handle_command_scan',
         help_text="Scan all files in the cluster pane.",
     ),
-    "SHOW": RemoteCommand(
-        "handle_command_show",
+    'SHOW': RemoteCommand(
+        'handle_command_show',
         help_text="Make the running instance the currently active window.",
     ),
-    "SUBMIT_FINGERPRINTS": RemoteCommand(
-        "handle_command_submit_fingerprints",
+    'SUBMIT_FINGERPRINTS': RemoteCommand(
+        'handle_command_submit_fingerprints',
         help_text="Submit outstanding acoustic fingerprints for all (matched) files in the album pane.",
     ),
-    "WRITE_LOGS": RemoteCommand(
-        "handle_command_write_logs",
+    'WRITE_LOGS': RemoteCommand(
+        'handle_command_write_logs',
         help_text="Write Picard logs to a given path.",
         help_args="[absolute path to one file]",
     ),