Fix bug in clearing incomplete encodes.

resolves #110

src/mergeSelectionUi.py

@@ -82,6 +82,7 @@ def __init__(self, master=None, *args, encodeRequestId=None,controller=None, tar
 
     self.encodeRequestId = encodeRequestId
     self.cancelled = False
+    self.iscomplete = False
     self.controller = controller
     self.config(padding='2', relief='raised')
     self.clip = clip
@@ -408,6 +409,7 @@ def updateStatus(self,status,percent,finalFilename=None,requestStatus=None, enco
 
     if finalFilename is not None:
       self.finalFilename = finalFilename
+      self.iscomplete = True
       self.controller.registerComplete(self.finalFilename,clip=self.clip)
 
     if percent is not None:
@@ -1859,7 +1861,8 @@ def clearSequence(self,includeProgress=True):
       self.syncModal.recalculateEDLTimings()
     if includeProgress:
         for e in self.encoderProgress:
-          e.remove()
+          if e.iscomplete or e.cancelled:
+            e.remove()
 
   def profileChanged(self,*args):
     profileName = self.profileVar.get()