blank image issue on multiple req

controller.py

@@ -173,7 +173,8 @@ def groq_chat(csv_url: str, question: str):
                     'save_charts': True,  # Enable chart saving
                     'open_charts': False,
                     'save_charts_path': os.path.dirname(chart_path),  # Directory to save
-                    'custom_chart_filename': chart_filename  # Unique filename
+                    'custom_chart_filename': chart_filename, # Unique filename
+                    'enable_cache': False
                 }
             )
             
@@ -364,7 +365,8 @@ def groq_chart(csv_url: str, question: str):
                     'save_charts': True,  # Enable chart saving
                     'open_charts': False,
                     'save_charts_path': os.path.dirname(chart_path),  # Directory to save
-                    'custom_chart_filename': chart_filename  # Unique filename
+                    'custom_chart_filename': chart_filename,  # Unique filename
+                    'enable_cache': False
                 }
             )