Update app/materials_library.py

app/materials_library.py

@@ -617,7 +617,7 @@ def display_fenestrations_tab(material_library: MaterialLibrary):
                 cols[1].write(f"{fenestration.shgc:.2f}")
                 cols[2].write(f"{fenestration.u_value:.3f}")
                 if cols[3].button("Preview", key=f"preview_lib_fen_{fenestration.name}"):
-                    if st.session_state.get("rerun_trigger") != f"preview_fen_{fenestration.name}"):
+                    if st.session_state.get("rerun_trigger") != f"preview_fen_{fenestration.name}":
                         st.session_state.rerun_trigger = f"preview_fen_{fenestration.name}"
                         st.session_state.fenestration_editor = {
                             "name": fenestration.name,