diff --git a/removeads.py b/removeads.py
index 88034be..492859b 100755
--- a/removeads.py
+++ b/removeads.py
@@ -267,7 +267,7 @@ def getFramesInStream(inputFile, begin, end, streamKind, subStreamId=0):
             frames = frames['frames']
             for frame in frames:
                 ts = getTSFrame(frame)
-                if ts == None
+                if ts == None:
                     return None
                 if begin <= ts and ts <= end:
                     res.append(frame)
@@ -302,7 +302,7 @@ def getNearestIFrame(inputFile, timestamp, before=True, delta=timedelta(seconds=
     found = False
     for frame in iframes:
         ts = getTSFrame(frame)
-        if ts == None
+        if ts == None:
             return None
       
         if before and ts <= timestamp:
@@ -324,7 +324,7 @@ def getNearestIFrame(inputFile, timestamp, before=True, delta=timedelta(seconds=
         nbFrames = 0
         for frame in frames:
             ts = getTSFrame(frame)
-            if ts == None
+            if ts == None:
                 return None
 
             if before: