progress bar issues

[shooogun]

Hi all,

I'm trying to update a progress bar, but whenever I run setValue it crashes my program. The error I get looks like this:

X Error: BadRequest (invalid request code or no such operation) 1
Extension: 183 (Uknown extension)
Minor opcode: 0 (Unknown request)
Resource id: 0x36020ba

It doesn't happen on each iteration, only some initially, but then toward the end of the iteration, each setValue command fails, and then the program crashes.

X Error: BadRequest (invalid request code or no such operation) 1
Major opcode: 0 ()
Resource id: 0x36020ba

my code looks like this

x=0
while x < len(fileList):
     # do stuff
     self.progressBar.setValue(x)
     x+=1

x=0
while x < len(fileList):
     # do stuff
     self.progressBar.setValue(x)
     x+=1

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any advise?