Update app.py

app.py

@@ -34,8 +34,8 @@ def generate_3d_view(file):
         # Import CAD file and create a Workplane object
         model = cq.importers.importStep(file.name)
 
-        # Extract all solids from the Workplane object
-        solids = model.solids()
+        # Extract solids from the Workplane object
+        solids = model.vals() if hasattr(model, 'vals') else model.solids()
         if not solids:
             raise ValueError("No solids found in the CAD model.")
 
@@ -60,6 +60,7 @@ def generate_3d_view(file):
     except Exception as e:
         return f"Error generating 3D view: {str(e)}"
 
+
       
 # Wrapper function to generate views
 def generate_views(file):