LSRT-16: fixed typo

SAS/ResourceAssignment/Common/lib/specification.py

@@ -825,7 +825,7 @@ class Specification:
                              (start_time, duration, min_starttime, max_endtime))
         # Calculate the effective dwelling time
         max_duration = max_endtime - min_starttime
-        if duration > max_duration
+        if duration > max_duration:
             raise ValueError('task duration %s is larger than max_duration %s from dwelling start/end time' % (duration, max_duration))
 
         dwell_time = max_duration - duration