Fix bug

visualize_pipeline.py

@@ -74,6 +74,9 @@ def visualize_pipeline():
         import benepar
         load_state.markdown ("#### Downloading model...")
         benepar.download('benepar_en3')
+        if "model" not in st.session_state:
+            nlp = spacy.load("en_healthsea")
+            st.session_state["model"] = nlp
     load_state.markdown ("#### Loading done!")
 
     # Pipeline