Temporary workaround for #115

Signed-off-by: Andy Neff <[email protected]>

terra/executor/process.py

@@ -7,3 +7,11 @@
 class ProcessPoolExecutor(concurrent.futures.ProcessPoolExecutor,
                           terra.executor.base.BaseExecutor):
   multiprocess = True
+  def __init__(self, *args, **kwargs):
+    # Workaround for https://github.com/VisionSystemsInc/terra/issues/115 the
+    # simplest workaround was to pre-finalize celery and pre-cache the property
+    # app.tasks, as these were the components with locks that were causing
+    # deadlocks
+    from celery import _state
+    _state.get_current_app().tasks
+    return super().__init__(*args, **kwargs)