diff --git a/pyfcm/baseapi.py b/pyfcm/baseapi.py
index 2569194..0e9a958 100644
--- a/pyfcm/baseapi.py
+++ b/pyfcm/baseapi.py
@@ -179,7 +179,7 @@ def parse_payload(
         remove_notification=False,
         android_channel_id=None,
         extra_notification_kwargs={},
-        **extra_kwargs
+        **extra_kwargs,
     ):
         """
         Parses parameters of FCMNotification's methods to FCM nested json
diff --git a/pyfcm/fcm.py b/pyfcm/fcm.py
index 483ebc5..bab72e1 100644
--- a/pyfcm/fcm.py
+++ b/pyfcm/fcm.py
@@ -113,7 +113,7 @@ def notify_single_device(
             android_channel_id=android_channel_id,
             content_available=content_available,
             extra_notification_kwargs=extra_notification_kwargs,
-            **extra_kwargs
+            **extra_kwargs,
         )
 
         self.send_request([payload], timeout)
@@ -193,7 +193,7 @@ def single_device_data_message(
             remove_notification=True,
             android_channel_id=android_channel_id,
             extra_notification_kwargs=extra_notification_kwargs,
-            **extra_kwargs
+            **extra_kwargs,
         )
 
         self.send_request([payload], timeout)
@@ -316,7 +316,7 @@ def notify_multiple_devices(
                     content_available=content_available,
                     android_channel_id=android_channel_id,
                     extra_notification_kwargs=extra_notification_kwargs,
-                    **extra_kwargs
+                    **extra_kwargs,
                 )
             )
         self.send_request(payloads, timeout)
@@ -394,7 +394,7 @@ def multiple_devices_data_message(
                     content_available=content_available,
                     remove_notification=True,
                     extra_notification_kwargs=extra_notification_kwargs,
-                    **extra_kwargs
+                    **extra_kwargs,
                 )
             )
         self.send_request(payloads, timeout)
@@ -511,7 +511,7 @@ def notify_topic_subscribers(
             content_available=content_available,
             android_channel_id=android_channel_id,
             extra_notification_kwargs=extra_notification_kwargs,
-            **extra_kwargs
+            **extra_kwargs,
         )
         self.send_request([payload], timeout)
         return self.parse_responses()
@@ -583,7 +583,7 @@ def topic_subscribers_data_message(
             content_available=content_available,
             remove_notification=True,
             extra_notification_kwargs=extra_notification_kwargs,
-            **extra_kwargs
+            **extra_kwargs,
         )
         self.send_request([payload], timeout)
         return self.parse_responses()