Update app.py

app.py

@@ -453,17 +453,17 @@ def validate_and_fix_dot_code(dot_code):
 
 def render_dot_code(dot_code, filename=None):
     
-      output_path = os.path.join(IMAGE_DIR, f"{filename}.png")
-      try:
-         src = Source(dot_code, format="png")
-         #rendered_path = src.render(output_path, cleanup=True)
-		 src.render(output_path, cleanup=True)
-         #png_path = f"{rendered_path}"
-         #return png_path
-		 # Return the web-accessible path
-         return f"/images/{filename}.png"
+    output_path = os.path.join(IMAGE_DIR, f"{filename}.png")
+    try:
+       src = Source(dot_code, format="png")
+       #rendered_path = src.render(output_path, cleanup=True)
+	   src.render(output_path, cleanup=True)
+       #png_path = f"{rendered_path}"
+       #return png_path
+	   # Return the web-accessible path
+       return f"/images/{filename}.png"
       except Exception as e:
-        return f"Error rendering diagram: {str(e)}"
+       return f"Error rendering diagram: {str(e)}"
 
 import time