vine: submit more when hungry (#3991)

* vine: hungry submit

* remove paren

* add paren

taskvine/src/bindings/python3/ndcctools/taskvine/dask_executor.py

@@ -260,6 +260,7 @@ def _dask_execute(self, dsk, keys):
                     enqueued_calls
                     and (not self.submit_per_cycle or submitted < self.submit_per_cycle)
                     and (not self.max_pending or pending < self.max_pending)
+                    and self.hungry()
                 ):
                     self.submit(enqueued_calls.pop())
                     submitted += 1