Update src/streamlit_app.py

src/streamlit_app.py

@@ -282,7 +282,7 @@ elif page:
     movie_pool = st.session_state.rating_mode_state["movie_pool"]
     index = st.session_state.rating_mode_state["index"]
 
-    if not movie_pool:
+    if movie_pool.empty:
         st.info("Please start a rating session.")
         st.stop()
 
@@ -568,12 +568,16 @@ else:
             
                 for _, movie in recommended_df.iterrows():
                     poster_url, _ = get_tmdb_data(movie["clean_title"], movie["year"])
+                    poster_html = (
+                        f"<img src='{poster_url}' width='100' style='border-radius:5px;' />"
+                        if poster_url and "placeholder.com" not in poster_url
+                        else "<div style='width:100px;height:150px;border:2px dashed gray;display:flex;align-items:center;justify-content:center;color:gray;font-size:12px;'>No<br>Image</div>"
+                    )
+                
                     st.markdown(f"""
                     <div style="margin-bottom:1em;padding:1em;border:1px solid #333;border-radius:10px;background:#1a1a1a;">
                         <div style="display:flex;gap:20px;">
-                            <div>
-                                <img src="{poster_url}" width="100" style="border-radius:5px;" />
-                            </div>
+                            <div>{poster_html}</div>
                             <div>
                                 <a href='/?movie_id={movie["movieId"]}' style="font-size:18px;color:#e63946;font-weight:bold;">{movie['clean_title']}</a><br>
                                 <span style="color:#ccc;">{movie['genres']} · {movie['year']}</span><br>
@@ -582,6 +586,7 @@ else:
                         </div>
                     </div>
                     """, unsafe_allow_html=True)
+
         else:
             st.info("Rate a few movies to get recommendations.")