diff --git a/auth-mastodon.py b/auth-mastodon.py
index 26890b6..0849a64 100644
--- a/auth-mastodon.py
+++ b/auth-mastodon.py
@@ -13,15 +13,15 @@ import psycopg2
 # Database connection details. The credentials here need access to the Mastodon database, which "ejabberd" is unlikely
 # to have on your system by default. You shoud grant SELECT privileges to ejabberd on the "accounts" and "users" tables,
 # to play it safe, or include the Mastodon DB user credentials here (don't).
-db_host="localhost"
-db_port=5432
-db_user="ejabberd"
-db_pass=""
-db_name="mastodon"
+db_host = "localhost"
+db_port = 5432
+db_user = "ejabberd"
+db_pass = ""
+db_name = "mastodon"
 
 # This is the query that pulls the password hash for the given user. Mastodon doesn't store the domain for local accounts in
 # the database, so we ignore the host component and try to match username where the domain is NULL.
-db_query_getpass="select users.encrypted_password as password from accounts inner join users on accounts.id=users.account_id where lower(accounts.username) = %(user)s and accounts.domain is null"
+db_query_getpass = "select users.encrypted_password as password from accounts inner join users on accounts.id=users.account_id where lower(accounts.username) = %(user)s and accounts.domain is null"
 
 ########################################################################
 # Setup
@@ -39,7 +39,7 @@ try:
     # Connect to the DB, set autocommit and readonly otherwise postgresql seems to have a
     # tendency to keep things "idle in transaction" and table locks eventually grind
     # Mastodon to a halt. We don't make any changes anyway.
-    database=psycopg2.connect(host = db_host, user = db_user, password = db_pass, database = db_name, port = db_port)
+    database = psycopg2.connect(host=db_host, user=db_user, password=db_pass, database=db_name, port=db_port)
     database.set_session(readonly=True, autocommit=True)
     logging.debug(database.get_dsn_parameters())
 except:
@@ -79,13 +79,13 @@ def ejabberd_in():
         logging.debug("ejabberd sent us wrong things!")
         raise EjabberdInputError('Wrong input from ejabberd!')
 
-    logging.debug('got 2 bytes via stdin: %s'%input_length)
+    logging.debug('got 2 bytes via stdin: %s' % input_length)
 
     (size,) = struct.unpack('>h', input_length)
-    logging.debug('size of data: %i'%size)
+    logging.debug('size of data: %i' % size)
 
-    income=sys.stdin.read(size)
-    logging.debug("incoming data: %s"%income)
+    income = sys.stdin.read(size)
+    logging.debug("incoming data: %s" % income)
 
     return income
 
@@ -141,7 +141,7 @@ def auth(user, host, password):
 # Main Loop
 ########################################################################
 
-exitcode=0
+exitcode = 0
 
 while True:
     logging.debug("start of infinite loop")