Update app/materials_library.py

app/materials_library.py

@@ -947,7 +947,7 @@ def get_available_fenestrations():
     fenestrations = {}
     if "fenestrations" in st.session_state.project_data:
         fenestrations.update(st.session_state.project_data["fenestrations"]["library"])
-        fenestrations.update(st.session_state.project_data["fenestrations"]["project"]))
+        fenestrations.update(st.session_state.project_data["fenestrations"]["project"])
     # Include doors from materials as fenestrations for compatibility
     if "materials" in st.session_state.project_data["materials"]:
         for k, m in st.session_state.project_data["materials"]["library"].items():