Update app.py

app.py

@@ -42,7 +42,7 @@ def fx_dax(s:str):
     
 def fx_datatable(s:str):
     a=exec(s)
-    return {k: v for k, v in x.items() if isinstance(v,pd.DataFrame)}
+    return {k: v for k, v in locals().items() if isinstance(v,pd.DataFrame)}
         
 demo=gr.Blocks()
 with demo: