diff --git a/docs/config.rst b/docs/config.rst
index b6c5ff9..d157be3 100644
--- a/docs/config.rst
+++ b/docs/config.rst
@@ -61,7 +61,7 @@ Pair Section
   sync`` is executed. See also :ref:`collections_tutorial`.
 
   The special values ``"from a"`` and ``"from b"``, tell vdirsyncer to try
-  autodiscovery on a specific storage. It means all the collections on side A / 
+  autodiscovery on a specific storage. It means all the collections on side A /
   side B.
 
   If the collection you want to sync doesn't have the same name on each side,
@@ -72,7 +72,7 @@ Pair Section
 
   Examples:
 
-  - ``collections = ["from b", "foo", "bar"]`` makes vdirsyncer synchronize all 
+  - ``collections = ["from b", "foo", "bar"]`` makes vdirsyncer synchronize all
     the collections from side B, and also the collections named "foo" and "bar".
 
   - ``collections = ["from b", "from a"]`` makes vdirsyncer synchronize all
diff --git a/docs/tutorial.rst b/docs/tutorial.rst
index 522d674..e7d2c7c 100644
--- a/docs/tutorial.rst
+++ b/docs/tutorial.rst
@@ -176,8 +176,8 @@ as a file called ``color`` within the calendar folder.
 More information about collections
 ----------------------------------
 
-"Collection" is a collective term for addressbooks and calendars. A Cardav or 
-Caldav server can contains several "collections" which correspond to several 
+"Collection" is a collective term for addressbooks and calendars. A Cardav or
+Caldav server can contains several "collections" which correspond to several
 addressbooks or calendar.
 
 Each collection from a storage has a "collection name", a unique identifier for each
diff --git a/vdirsyncer/cli/__init__.py b/vdirsyncer/cli/__init__.py
index 00a992f..0885429 100644
--- a/vdirsyncer/cli/__init__.py
+++ b/vdirsyncer/cli/__init__.py
@@ -17,7 +17,7 @@ cli_logger = logging.getLogger(__name__)
 click_log.basic_config("vdirsyncer")
 
 # add short option for the help option
-click_context_settings = dict(help_option_names=['-h', '--help'])
+click_context_settings = {"help_option_names": ["-h", "--help"]}
 
 
 class AppContext:
diff --git a/vdirsyncer/storage/filesystem.py b/vdirsyncer/storage/filesystem.py
index 8de243b..ec0ab52 100644
--- a/vdirsyncer/storage/filesystem.py
+++ b/vdirsyncer/storage/filesystem.py
@@ -181,7 +181,9 @@ class FilesystemStorage(Storage):
             logger.warning(f"Error executing external hook: {str(e)}")
 
     def _run_pre_deletion_hook(self, fpath):
-        logger.info(f"Calling pre_deletion_hook={self.pre_deletion_hook} with argument={fpath}")
+        logger.info(
+            f"Calling pre_deletion_hook={self.pre_deletion_hook} with argument={fpath}"
+        )
         try:
             subprocess.call([self.pre_deletion_hook, fpath])
         except OSError as e: