added status indicator

app.py

@@ -8,10 +8,14 @@ from sklearn.manifold import TSNE
 import plotly.express as plx
 
 def compare():
-    if len(multiselect) == 0: return
+    if len(multiselect) == 0:
+        plot_placeholder.error("Select at least one document")
+        return
+
     target_field = f"{model}_features"
     ids = [documents[title] for title in multiselect]
 
+    status_indicator.write("Retrieving embeddings...")
     results = []
     for id in ids:
         results.append(es.search(
@@ -28,7 +32,7 @@ def compare():
             size=limit
         ))
 
-
+    status_indicator.write("Merging embeddings...")
     features = []
     classes = []
     sentences = []
@@ -39,6 +43,7 @@ def compare():
     
     features = np.concatenate(features)
 
+    status_indicator.write("Computing TSNE...")
     scaler = StandardScaler()
     features = scaler.fit_transform(features)
     tsne = TSNE(n_components=2, metric="cosine", init="pca")
@@ -53,7 +58,7 @@ def compare():
         sentences=sentences
     ))
     
-    
+    status_indicator.write("All done...")
     plot_placeholder.plotly_chart(plx.scatter(
         data_frame=df,
         x="x",
@@ -77,5 +82,6 @@ limit = st.sidebar.number_input("Sentences per document", 1000)
 
 plot_placeholder = st.empty()
 
+status_indicator = st.sidebar.empty()
 if st.sidebar.button("Compare"):
     compare()