chore: format using 'black'

dots/.bin/pomo

@@ -8,19 +8,24 @@ Pomodoro timer
 - Notification on break finish
 """
 
-import os
 import atexit
+import os
 from argparse import ArgumentParser
 from time import sleep
+
 from plyer import notification
 
-POMO_PATH = os.path.join(os.getenv("XDG_DATA_HOME", os.path.expanduser("~/.local/share")), "pomo")
+POMO_PATH = os.path.join(
+    os.getenv("XDG_DATA_HOME", os.path.expanduser("~/.local/share")), "pomo"
+)
+
 
 @atexit.register
 def clear():
     if os.path.exists(POMO_PATH):
         os.remove(POMO_PATH)
 
+
 def format_mins_secs(mins, secs):
     return f"{mins:02d}:{secs:02d}"
 
@@ -34,6 +39,7 @@ def make_countdown():
             os.system(f'echo -n "{time_str}" > {POMO_PATH}')
             sleep(1)
             duration -= 1
+
     return countdown
 
 
@@ -58,21 +64,23 @@ def main(args):
 def handle_signal(signal, frame):
     # Wait for clear to finish
     clear()
-    print('Exiting')
+    print("Exiting")
     exit(0)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
 
     parser = ArgumentParser()
-    parser.add_argument('-w', '--work-duration', type=int,
-                        help='Session duration', default=25)
-    parser.add_argument('-b', '--break-duration', type=int,
-                        help='Break duration', default=5)
-    parser.add_argument('-r', '--repeats', type=int,
-                        help='Numer of sessions', default=1)
-    parser.add_argument('-c', '--clear', action='store_true',
-                        help='Clear timer')
+    parser.add_argument(
+        "-w", "--work-duration", type=int, help="Session duration", default=25
+    )
+    parser.add_argument(
+        "-b", "--break-duration", type=int, help="Break duration", default=5
+    )
+    parser.add_argument(
+        "-r", "--repeats", type=int, help="Numer of sessions", default=1
+    )
+    parser.add_argument("-c", "--clear", action="store_true", help="Clear timer")
 
     args = parser.parse_args()