Update app.py

app.py

@@ -32,17 +32,17 @@ st.caption('Upon completing these two steps, kindly wait for a minute to receive
 st.caption('Start by inputting the following instance of a claim and corresponding evidence into the designated text fields.')
 
 st.caption('**Example 1**')
-st.caption('''**green[Claim:]** :point_right: Amazon announced on March 16 it would hire 100,000 new warehouse and delivery workers and 
+st.caption(''':green[Claim:] :point_right: Amazon announced on March 16 it would hire 100,000 new warehouse and delivery workers and 
 raise wages $ 2 per hour through April in response to increased demand for its services because of the coronavirus pandemic .''')
 
-st.caption('''**green[Evidence:]** :point_right: Due to the consumers increasingly relying on online retailers, 
+st.caption(''':green[Evidence:] :point_right: Due to the consumers increasingly relying on online retailers, 
 Amazon planned to hire over 99,000 workers in the warehouse and delivery sector during the Pandemic in the USA.''')
 
-# st.caption('**:green[Claim]** :point_down:')
+# st.caption(':green[Claim:] :point_down:')
 # st.caption('''Amazon announced on March 16 it would hire 100,000 new warehouse and delivery workers and 
 # raise wages $ 2 per hour through April in response to increased demand for its services because of the coronavirus pandemic .''')
 
-# st.caption('**:green[Evidence]** :point_down:')
+# st.caption(':green[Evidence:] :point_down:')
 # st.caption('''Due to the consumers increasingly relying on online retailers, 
 # Amazon planned to hire over 99,000 workers in the warehouse and delivery sector during the Pandemic in the USA.''')
 
@@ -52,7 +52,8 @@ claim_text=st.text_area("Enter your claim:")
 
 evidence_text=st.text_area("Enter your evidence:")
 
-st.caption(':red[At times, you may encounter null/none outputs, which could be a result of a delay in loading the models through the API. If you experience this problem, kindly try again after a few minutes.]')
+if evidence_text:
+    st.caption(':red[At times, you may encounter null/none outputs, which could be a result of a delay in loading the models through the API. If you experience this problem, kindly try again after a few minutes.]')
 
 
 import pandas as pd