diff --git a/bpython/args.py b/bpython/args.py
index 7895d84a..69df4ba9 100644
--- a/bpython/args.py
+++ b/bpython/args.py
@@ -56,10 +56,7 @@ def error(self, msg):
 
 def version_banner(base="bpython") -> str:
     return _("{} version {} on top of Python {} {}").format(
-        base,
-        __version__,
-        sys.version.split()[0],
-        sys.executable,
+        base, __version__, sys.version.split()[0], sys.executable,
     )
 
 
@@ -140,9 +137,7 @@ def callback(group):
         help=_("Set log level for logging"),
     )
     parser.add_argument(
-        "--log-output",
-        "-L",
-        help=_("Log output file"),
+        "--log-output", "-L", help=_("Log output file"),
     )
 
     if extras is not None:
diff --git a/bpython/autocomplete.py b/bpython/autocomplete.py
index 0697e490..3f5219ab 100644
--- a/bpython/autocomplete.py
+++ b/bpython/autocomplete.py
@@ -208,7 +208,9 @@ def method_match_fuzzy(word, size, text) -> Union[Match, None]:
 class BaseCompletionType:
     """Describes different completion types"""
 
-    def __init__(self, shown_before_tab: bool=True, mode=AutocompleteModes.SIMPLE) -> None:
+    def __init__(
+        self, shown_before_tab: bool = True, mode=AutocompleteModes.SIMPLE
+    ) -> None:
         self._shown_before_tab = shown_before_tab
         self.method_match = MODES_MAP[mode]
 
@@ -622,8 +624,7 @@ def matches(self, cursor_offset, line, **kwargs) -> Union[Dict, None]:
 
             if "\n" in current_block:
                 assert cursor_offset <= len(line), "{!r} {!r}".format(
-                    cursor_offset,
-                    line,
+                    cursor_offset, line,
                 )
                 results = super().matches(cursor_offset, line, history=history)
                 return results
diff --git a/bpython/config.py b/bpython/config.py
index 48686610..87783629 100644
--- a/bpython/config.py
+++ b/bpython/config.py
@@ -187,14 +187,8 @@ class Config:
             "up_one_line": "C-p",
             "yank_from_buffer": "C-y",
         },
-        "cli": {
-            "suggestion_width": 0.8,
-            "trim_prompts": False,
-        },
-        "curtsies": {
-            "list_above": False,
-            "right_arrow_completion": True,
-        },
+        "cli": {"suggestion_width": 0.8, "trim_prompts": False,},
+        "curtsies": {"list_above": False, "right_arrow_completion": True,},
     }
 
     def __init__(self, config_path: Path) -> None:
diff --git a/bpython/curtsies.py b/bpython/curtsies.py
index 139bbae3..a21e157f 100644
--- a/bpython/curtsies.py
+++ b/bpython/curtsies.py
@@ -35,16 +35,14 @@ def __init__(self, config, locals_, banner, interp=None) -> None:
         self._request_refresh_callback = self.input_generator.event_trigger(
             events.RefreshRequestEvent
         )
-        self._schedule_refresh_callback = (
-            self.input_generator.scheduled_event_trigger(
-                events.ScheduledRefreshRequestEvent
-            )
+        self._schedule_refresh_callback = self.input_generator.scheduled_event_trigger(
+            events.ScheduledRefreshRequestEvent
         )
-        self._request_reload_callback = (
-            self.input_generator.threadsafe_event_trigger(events.ReloadEvent)
+        self._request_reload_callback = self.input_generator.threadsafe_event_trigger(
+            events.ReloadEvent
         )
-        self._interrupting_refresh_callback = (
-            self.input_generator.threadsafe_event_trigger(lambda: None)
+        self._interrupting_refresh_callback = self.input_generator.threadsafe_event_trigger(
+            lambda: None
         )
         self._request_undo_callback = self.input_generator.event_trigger(
             events.UndoEvent
diff --git a/bpython/curtsiesfrontend/repl.py b/bpython/curtsiesfrontend/repl.py
index f38304e9..724d6d56 100644
--- a/bpython/curtsiesfrontend/repl.py
+++ b/bpython/curtsiesfrontend/repl.py
@@ -307,12 +307,7 @@ class BaseRepl(Repl):
     """
 
     def __init__(
-        self,
-        config,
-        locals_=None,
-        banner=None,
-        interp=None,
-        orig_tcattrs=None,
+        self, config, locals_=None, banner=None, interp=None, orig_tcattrs=None,
     ):
         """
         locals_ is a mapping of locals to pass into the interpreter
diff --git a/bpython/repl.py b/bpython/repl.py
index ba9acf4d..8a787b1a 100644
--- a/bpython/repl.py
+++ b/bpython/repl.py
@@ -445,8 +445,7 @@ def __init__(self, interp, config):
             self.paster = PasteHelper(self.config.pastebin_helper)
         else:
             self.paster = PastePinnwand(
-                self.config.pastebin_url,
-                self.config.pastebin_expiry,
+                self.config.pastebin_url, self.config.pastebin_expiry,
             )
 
     @property
diff --git a/bpython/test/test_autocomplete.py b/bpython/test/test_autocomplete.py
index ad991abe..79443554 100644
--- a/bpython/test/test_autocomplete.py
+++ b/bpython/test/test_autocomplete.py
@@ -257,8 +257,7 @@ def test_custom_get_attribute_not_invoked(self):
     def test_slots_not_crash(self):
         com = autocomplete.AttrCompletion()
         self.assertSetEqual(
-            com.matches(2, "A.", locals_={"A": Slots}),
-            {"A.b", "A.a"},
+            com.matches(2, "A.", locals_={"A": Slots}), {"A.b", "A.a"},
         )
 
 
diff --git a/bpython/test/test_crashers.py b/bpython/test/test_crashers.py
index 64abff3e..a6342d76 100644
--- a/bpython/test/test_crashers.py
+++ b/bpython/test/test_crashers.py
@@ -100,10 +100,7 @@ def processExited(self, reason):
                 str(TEST_CONFIG),
                 "-q",  # prevents version greeting
             ),
-            env={
-                "TERM": "vt100",
-                "LANG": os.environ.get("LANG", "C.UTF-8"),
-            },
+            env={"TERM": "vt100", "LANG": os.environ.get("LANG", "C.UTF-8"),},
             usePTY=(master, slave, os.ttyname(slave)),
         )
         return result
diff --git a/bpython/urwid.py b/bpython/urwid.py
index 1f63b137..4923f439 100644
--- a/bpython/urwid.py
+++ b/bpython/urwid.py
@@ -1143,12 +1143,7 @@ def options_callback(group):
 
     # TODO: maybe support displays other than raw_display?
     config, options, exec_args = bpargs.parse(
-        args,
-        (
-            "Urwid options",
-            None,
-            options_callback,
-        ),
+        args, ("Urwid options", None, options_callback,),
     )
 
     if options.help_reactors: