"Lemmatize (Spacy)" Event Driver Broken

[DavidBerdik]

When trying to run the "Lemmatize (Spacy)" event driver through the GUI, the following error prints in the terminal when trying to process the experiment.

Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Program Files\Python 3.10\lib\tkinter\__init__.py", line 1921, in __call__
    return self.func(*args)
  File "C:\PyGAAP\backend\GUI.py", line 1459, in <lambda>
    button = Tab_RP_Process_Button:run_experiment(selected_parameters, lb, labels, button, True))
  File "C:\PyGAAP\backend\GUI.py", line 616, in run_experiment
    processed_docs.append(run_pre_processing(backend_API, doc))
  File "C:\PyGAAP\backend\GUI.py", line 530, in run_pre_processing
    doc.setEventSet(e.createEventSet(doc.text), append=True)
  File "C:\PyGAAP\generics\EventDriver.py", line 221, in createEventSet
    if EventDriver._spacy_lang_pipeline == None:
AttributeError: type object 'EventDriver' has no attribute '_spacy_lang_pipeline'

@Michaeljfang