Fix telemetry and improts

Server/copter_table_models.py

@@ -1,8 +1,9 @@
-import math
 import os
 import re
-import subprocess
 import sys
+import math
+import time
+import subprocess
 from contextlib import suppress
 from functools import partialmethod
 

Server/server_qt.py

@@ -271,7 +271,7 @@ class MainWindow(QtWidgets.QMainWindow):
     def update_table_data(self, client, telems: dict):
         for key, value in telems.items():
             try:
-                col = self.model.index(key)
+                col = self.model.columns.index(key)
             except ValueError:
                 logging.error(f"No column {key} present!")
             else: