Async Stack Trace

tasynchttpserver_transferencoding.nim(61) tasynchttpserver_transferencoding
asyncdispatch.nim(1935)  waitFor
asyncdispatch.nim(1627)  poll
asyncdispatch.nim(1368)  runOnce
asyncdispatch.nim(208)   processPendingCallbacks
asyncmacro.nim(29)       serveNimAsyncContinue
asyncmacro.nim(145)      serveIter
asyncfutures.nim(372)    read
[[reraised from:
tasynchttpserver_transferencoding.nim(61) tasynchttpserver_transferencoding
asyncdispatch.nim(1935)  waitFor
asyncdispatch.nim(1627)  poll
asyncdispatch.nim(1368)  runOnce
asyncdispatch.nim(208)   processPendingCallbacks
asyncfutures.nim(420)    asyncCheckCallback
]]
Error: unhandled exception: Bad file descriptor
Async traceback:
  tasynchttpserver_transferencoding.nim(61) tasynchttpserver_transferencoding
  asyncdispatch.nim(1935)                   waitFor
  asyncdispatch.nim(1627)                   poll
    ## Processes asynchronous completion events
  asyncdispatch.nim(1368)                   runOnce
  asyncdispatch.nim(208)                    processPendingCallbacks
    ## Executes pending callbacks
  asyncmacro.nim(29)                        serveNimAsyncContinue
    ## Resumes an async procedure
  asyncmacro.nim(145)                       serveIter
  asyncfutures.nim(372)                     read
Exception message: Bad file descriptor
Exception type: [OSError]