diff --git a/satellite/application.py b/satellite/application.py
index fa1deed..e8a78ee 100755
--- a/satellite/application.py
+++ b/satellite/application.py
@@ -141,7 +141,8 @@ class SatelliteApp(Gtk.Application):
         provider.load_from_data(
             resources.read_binary("satellite", "main.css"))
         Gtk.StyleContext.add_provider_for_screen(
-            Gdk.Screen.get_default(), provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
+            Gdk.Screen.get_default(), provider,
+            Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
         )
 
     def do_startup(self):
diff --git a/satellite/nmeasource.py b/satellite/nmeasource.py
index e2092c2..a86c77f 100644
--- a/satellite/nmeasource.py
+++ b/satellite/nmeasource.py
@@ -92,7 +92,8 @@ class ModemManagerNmeaSource(NmeaSource):
                     self.old_signals = self.modem.SignalsLocation
                 cap = self.modem.Capabilities
                 if (cap & mm.MM_MODEM_LOCATION_SOURCE_GPS_NMEA) == 0:
-                    raise NmeaSourceNotFoundError("Modem does not support NMEA")
+                    raise NmeaSourceNotFoundError(
+                        "Modem does not support NMEA")
                 self.modem.Setup(
                     (mm.MM_MODEM_LOCATION_SOURCE_GPS_NMEA
                      | (cap & mm.MM_MODEM_LOCATION_SOURCE_AGPS_MSB)),
diff --git a/satellite/quectel.py b/satellite/quectel.py
index f62a25c..879fea4 100644
--- a/satellite/quectel.py
+++ b/satellite/quectel.py
@@ -34,7 +34,8 @@ def get_xtradata_dates(source, fix_week=False):
     try:
         r = source.modem.Command('AT+QGPSXTRADATA?', 3)
         # Example reply: '+QGPSXTRADATA: 10080,"2002/01/18,12:00:00"'
-        mo = re.match(r'\+QGPSXTRADATA: (?P<duration>\d+),"(?P<time>[^"]+)"', r)
+        mo = re.match(
+            r'\+QGPSXTRADATA: (?P<duration>\d+),"(?P<time>[^"]+)"', r)
     except Exception:
         mo = None