diff --git a/tools/plotjuggler/juggle.py b/tools/plotjuggler/juggle.py
index 0caf5a18ff..c7373bd37a 100755
--- a/tools/plotjuggler/juggle.py
+++ b/tools/plotjuggler/juggle.py
@@ -12,18 +12,18 @@ from functools import partial
 
 from openpilot.common.basedir import BASEDIR
 from openpilot.tools.lib.helpers import save_log
-
 from openpilot.tools.lib.logreader import LogReader, ReadMode
 
 juggle_dir = os.path.dirname(os.path.realpath(__file__))
 
 DEMO_ROUTE = "a2a0ccea32023010|2023-07-27--13-01-19"
-RELEASES_URL="https://github.com/commaai/PlotJuggler/releases/download/latest"
+RELEASES_URL = "https://github.com/commaai/PlotJuggler/releases/download/latest"
 INSTALL_DIR = os.path.join(juggle_dir, "bin")
 PLOTJUGGLER_BIN = os.path.join(juggle_dir, "bin/plotjuggler")
 MINIMUM_PLOTJUGGLER_VERSION = (3, 5, 2)
 MAX_STREAMING_BUFFER_SIZE = 1000
 
+
 def install():
   m = f"{platform.system()}-{platform.machine()}"
   supported = ("Linux-x86_64", "Linux-aarch64", "Darwin-arm64", "Darwin-x86_64")
@@ -38,7 +38,7 @@ def install():
   with requests.get(url, stream=True, timeout=10) as r, tempfile.NamedTemporaryFile() as tmp:
     r.raise_for_status()
     with open(tmp.name, 'wb') as tmpf:
-      for chunk in r.iter_content(chunk_size=1024*1024):
+      for chunk in r.iter_content(chunk_size=1024 * 1024):
         tmpf.write(chunk)
 
     with tarfile.open(tmp.name) as tar:
@@ -69,9 +69,11 @@ def start_juggler(fn=None, dbc=None, layout=None, route_or_segment_name=None):
   cmd = f'{PLOTJUGGLER_BIN} --buffer_size {MAX_STREAMING_BUFFER_SIZE} --plugin_folders {INSTALL_DIR}{extra_args}'
   subprocess.call(cmd, shell=True, env=env, cwd=juggle_dir)
 
+
 def process(can, lr):
   return [d for d in lr if can or d.which() not in ['can', 'sendcan']]
 
+
 def juggle_route(route_or_segment_name, can, layout, dbc=None):
   sr = LogReader(route_or_segment_name, default_mode=ReadMode.AUTO_INTERACTIVE)