Update app.py

app.py

@@ -11,7 +11,7 @@ def main():
     text_input = st.text_input("Enter text for sentiment analysis")
 
     if st.button("Analyze"):
-        if text_input:
+        if text_input and isinstance(text_input, str):
             tokenizer = AutoTokenizer.from_pretrained(model_name)
             encoded_input = tokenizer(text_input, return_tensors='pt', padding=True, truncation=True)
             sentiment_classifier = pipeline("sentiment-analysis", model=model_name)
@@ -37,7 +37,7 @@ def main():
             st.plotly_chart(fig)
             
         else:
-            st.warning("Please enter some text for sentiment analysis")
+            st.warning("Please enter some valid text for sentiment analysis")
 
 if __name__ == "__main__":
     main()