added data logging functionality

csv_threading.py

@@ -74,7 +74,8 @@ class ExecCSVThread(Thread):
                 time.sleep(delay)
 
             # check again if everything is connected before starting next loop run:
-            all_connected = func.devices_ok(parent.xy_override.get(), parent.z_override.get(), parent.arduino_override.get())
+            all_connected = func.devices_ok(parent.xy_override.get(), parent.z_override.get(),
+                                            parent.arduino_override.get())
 
         if not self.stopped() and not g.exitFlag and all_connected:  # sequence ended without interruption
             ui.ui_print("Sequence executed, powering down channels.")