Update app.py

app.py

@@ -162,8 +162,8 @@ def show_length_graph():
     width = 0.35  # the width of the bars
      
     fig, ax = plt.subplots(figsize=(14,8))
-    rects1 = ax.bar(x - width/2, original_length, width,  color='lightgreen',zorder=0)
-    rects2 = ax.bar(x + width/2, summarized_length, width, color='lightblue',zorder=0)
+    rects1 = ax.bar(x - width/2, original_length, width,  label='Original', color='lightgreen',zorder=0)
+    rects2 = ax.bar(x + width/2, summarized_length, width, label='Summary', color='lightblue',zorder=0)
    
     rects3 = ax.bar(x - width/2, original_length, width, color='none',edgecolor='black', lw=1.25,zorder=1)
     rects4 = ax.bar(x + width/2, summarized_length, width, color='none',edgecolor='black', lw=1.25,zorder=1)
@@ -173,7 +173,8 @@ def show_length_graph():
     ax.set_xticks(x)
     ax.set_yticks([i for i in range(0,max(original_length),max(summarized_length))])
     ax.set_xticklabels(labels)
-    ax.set_xlabel('Article')
+    ax.set_xlabel('Source article')
+    ax.legend(loc='upper right')
     
     plt.title('Original to Summarized Lengths in Space-Separated Tokens')
     #ax.hist(arr, bins=20)
@@ -288,7 +289,7 @@ with st.form(key='columns_in_form'):
             outdata = digestor.build_digest()
            
         if len(digestor.text) == 0:
-            st.write("No text to return...huh.")    
+            st.write("No text to return...very sorry.  Please hit 'refresh topics' in the options panel!")    
         else:
             st.subheader("Your digest:")
             st.info(digestor.text)