diff --git a/mirobo/extract_tokens.py b/mirobo/extract_tokens.py
index 51e235df1..ba60614cc 100644
--- a/mirobo/extract_tokens.py
+++ b/mirobo/extract_tokens.py
@@ -2,14 +2,15 @@
 import tarfile
 import tempfile
 import sqlite3
-import binascii
 from Crypto.Cipher import AES
 from pprint import pformat as pf
 
+
 def dump_raw(dev):
     raw = {k: dev[k] for k in dev.keys()}
     click.echo(pf(raw))
 
+
 def decrypt_ztoken(ztoken):
     if len(ztoken) <= 32:
         return ztoken
@@ -46,12 +47,14 @@ def read_android(conn):
         token = dev['token']
         click.echo("%s (%s) at %s. token: %s (mac: %s, ssid: %s)" % (name, model, ip, token, mac, ssid))
 
+
 def write(db, fp):
     fp.open()
     db.seek(0)  # go to the beginning
     click.echo("Saving db to %s" % fp)
     fp.write(db.read())
 
+
 def read_tokens(db):
     conn = sqlite3.connect(db)
     conn.row_factory = sqlite3.Row
@@ -93,4 +96,4 @@ def main(backup, write_to_disk):
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()