diff --git a/hardware/abstract_hardware.py b/hardware/abstract_hardware.py
index 17f465c9d9048da2e6696b1654073f749c2fd11b..1baf7890ddca61cb9611ed9320da82a79b9bde4e 100644
--- a/hardware/abstract_hardware.py
+++ b/hardware/abstract_hardware.py
@@ -16,6 +16,7 @@ class TxAbstract(ABC):
         polarity = kwargs.pop('polarity', 1)
         if polarity is None:
             polarity = 0
+        print(f'polarity: {polarity}')  # TODO: delete me
         inj_time = kwargs.pop('inj_time', 1.)
         self.exec_logger = kwargs.pop('exec_logger', None)
         if self.exec_logger is None: