PEP8 functions in helpers

plexpy/helpers.py

@@ -202,17 +202,22 @@ def convert_seconds_to_minutes(s):
 def today():
     today = datetime.date.today()
     yyyymmdd = datetime.date.isoformat(today)
+
     return yyyymmdd
 
 
 def now():
     now = datetime.datetime.now()
+
     return now.strftime("%Y-%m-%d %H:%M:%S")
 
+
 def utc_now_iso():
     utcnow = datetime.datetime.utcnow()
+
     return utcnow.isoformat()
 
+
 def human_duration(s, sig='dhms'):
 
     hd = ''