[FIX] add key in st.radio to prevent DuplicateWidgetID error

app.py

@@ -134,7 +134,7 @@ df2 = pd.DataFrame(data2)
 
 st.markdown(
     """
-# climate-plus demo
+# climate-plus demo 🌦️
 This is a minimal example of two models we trained for `climate-plus` project:
 
 - [bert-base-climate-fever-fixed](https://huggingface.co/rexarski/bert-base-climate-fever-fixed)
@@ -144,11 +144,12 @@ See the [GitHub repo](https://github.com/rexarski/climate-plus) for more details
 """
 )
 
-st.markdown("## Factchecking")
+st.markdown("## Factchecking 🌤️")
 
 factchecking_demo = st.radio(
     "What examples do you want to see?",
     ("Preloaded examples", "Custom examples"),
+    key="factchecking_demo",
 )
 
 if factchecking_demo == "Preloaded examples":
@@ -180,11 +181,12 @@ else:
 
 st.markdown("---")
 
-st.markdown("## TCFD disclosure classification")
+st.markdown("## TCFD disclosure classification ⛈️")
 
 tcfd_demo = st.radio(
     "What examples do you want to see?",
     ("Preloaded examples", "Custom examples"),
+    key="tcfd_demo",
 )
 
 if tcfd_demo == "Preloaded examples":
@@ -209,4 +211,3 @@ else:
     custom_text = st.text_input(label="Enter your text.")
     if custom_text != "":
         st.markdown(f"**Prediction**: {tcfd_classify(custom_text)}")
-