Update app.py

app.py

@@ -37,7 +37,7 @@ st.markdown(
 #max_results is Maximum number of PubMed ID's to retrieve BEFORE filtering
 max_results = st.sidebar.number_input("Maximum number of articles to find in PubMed", min_value=1, max_value=None, value=50)
 
-filtering = st.sidebar.radio("What type of filtering would you like?",('Strict', 'Lenient', 'None'))
+filtering = st.sidebar.radio("What type of filtering would you like?",('Strict', 'Lenient', 'None')).lower()
 
 extract_diseases = st.sidebar.checkbox("Extract Rare Diseases", value=False)