Update app.py

app.py

@@ -85,7 +85,7 @@ with st.sidebar:
     list_skills = []
     for i in sorted(set(df1['Необходимые навыки'])):
         skill = st.checkbox(i, key=f"{i}")
-        if skill:
+        if skill != '-':
             list_skills.append(i)
 
     # python = st.checkbox("Python", key=f"{i+1}mlr")