fix: smartdatalake to convert on pd.Dataframe to pai.Dataframe

Author: ArslanSaleem

pandasai/smart_datalake/__init__.py

@@ -34,7 +34,11 @@ def load_dfs(self, dfs: List[pd.DataFrame]):
         load_dfs = []
         for df in dfs:
             if isinstance(df, pd.DataFrame):
-                load_dfs.append(DataFrame(df))
+                load_dfs.append(
+                    DataFrame(df)
+                    if not isinstance(df, DataFrame) and isinstance(df, pd.DataFrame)
+                    else df
+                )
             else:
                 raise ValueError(
                     "Invalid input data. We cannot convert it to a dataframe."