Mainwindow: Fix table export.

View/mainwindow.py

@@ -39,6 +39,7 @@ from View.about_window import AboutWindow
 import settings as stg
 
 import numpy as np
+import pandas as pd
 from subprocess import Popen
 
 import time
@@ -363,15 +364,19 @@ class Ui_MainWindow(object):
                                                          stg.BS_raw_data_reshape[i][:, freq_ind]))
                                                     ))
 
-                    exec("DataFrame_acoustic_" + str(i) + "= pd.DataFrame(None)")
-                    exec("DataFrame_acoustic_" + str(i) + "= pd.DataFrame(data=table_data.transpose(), columns=header_list)")
+                    DataFrame_acoustic = pd.DataFrame(None)
+                    DataFrame_acoustic = pd.DataFrame(
+                        data=table_data.transpose(), columns=header_list
+                    )
 
-                    exec("DataFrame_acoustic_" + str(i) + ".to_csv(" +
-                         "path_or_buf=" +
-                         "'" + name + "/" + "Table_" +
-                         str(stg.filename_BS_raw_data[i][:-4]) + ".csv'" + ", " +
-                         "sep=" + "',' " + ", " +
-                         "header=DataFrame_acoustic_" + str(i) + ".columns" + ")")
+                    DataFrame_acoustic.to_csv(
+                        path_or_buf=os.path.join(
+                            name,
+                            f"Table_{str(stg.filename_BS_raw_data[i][:-4])}.csv"
+                        ),
+                        header=DataFrame_acoustic.columns,
+                        sep=',',
+                    )
 
             t1 = time.time() - t0
             print("time duration export BS ", t1)