Update pyfolio/mcp_output/mcp_plugin/mcp_service.py

pyfolio/mcp_output/mcp_plugin/mcp_service.py

@@ -39,13 +39,10 @@ mcp = FastMCP("pyfolio_service")
 
 def _save_plot_as_base64(plt, plot_name):
     """Save plot as base64 string and to file"""
-    import base64
     from io import BytesIO
-    import datetime
-    import os
     
     # Generate timestamp for unique filename
-    timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
     filename = f"{plot_name}_{timestamp}.png"
     
     # Save to current working directory instead of /tmp