Update app.py

app.py

@@ -19,7 +19,7 @@ with st.sidebar:
     year_list = list(df.Year.unique())[::-1]
     year_list = sorted(year_list)
     
-    selected_year = st.selectbox('Select a year', year_list, index=len(year_list)-1).to_string()
+    selected_year = st.selectbox('Select a year', year_list, index=len(year_list)-1)
 
     cik_list = list(df.CIK.unique())[::-1]
     cik_list = sorted(cik_list)
@@ -48,7 +48,7 @@ with col2:
     wc_list = ['E_Text', 'S_Text', 'G_Text']
 
     for x in wc_list:
-        row = df_selected_cik.loc[selected_year]
+        row = df_selected_cik.loc[selected_year.astype(string)]
         text = row.loc[x]
         text = re.sub(r'[^A-Za-z\s]', '', text)    
         text = text.lower()