removed modification of an input dataframe

tabs/error.py

@@ -60,7 +60,8 @@ def plot_error_data_by_market(error_all_df: pd.DataFrame) -> gr.Plot:
     return gr.Plot(value=fig)
 
 
-def plot_tool_error_data_by_market(error_df: pd.DataFrame, tool: str) -> gr.Plot:
+def plot_tool_error_data_by_market(error_raw: pd.DataFrame, tool: str) -> gr.Plot:
+    error_df = error_raw.copy(deep=True)
     error_tool = error_df[error_df["tool"] == tool]
     error_tool.columns = error_tool.columns.astype(str)
     error_tool["error_perc"] = error_tool["error_perc"].apply(lambda x: round(x, 4))