diff --git a/src/cal_tools/gotthard2/gotthard2lib.py b/src/cal_tools/gotthard2/gotthard2lib.py
index 0a49cdb48fe68eb3fc8dec5cd64cb8ba4185b411..2d4ae564b2b634bb3728d601a8e4a5a33e45ccb1 100644
--- a/src/cal_tools/gotthard2/gotthard2lib.py
+++ b/src/cal_tools/gotthard2/gotthard2lib.py
@@ -15,23 +15,24 @@ class Gotthard2Ctrl():
         self.ctrl_src = ctrl_src
 
     def get_bias_voltage(self):
-        return(self.run_dc[self.ctrl_src, "highVoltageMax"].as_single_value())
+        return self.run_dc[self.ctrl_src, "highVoltageMax"].as_single_value()
 
     def get_exposure_time(self):
-        return(round(
-            self.run_dc[self.ctrl_src, "exposureTime"].as_single_value(), 4))
+        return round(
+            self.run_dc[self.ctrl_src, "exposureTime"].as_single_value(), 4)
 
     def get_exposure_period(self):
-        return(round(
-            self.run_dc[self.ctrl_src, "exposurePeriod"].as_single_value(), 4))  # noqa
+        return round(
+            self.run_dc[self.ctrl_src, "exposurePeriod"].as_single_value(), 4)
 
     def get_acquisition_rate(self):
         try:
-            return(float(self.run_dc.get_run_value(self.ctrl_src, "acquisitionRate")))  # noqa
+            return float(
+                self.run_dc.get_run_value(self.ctrl_src, "acquisitionRate"))
         except extra_data.PropertyNameError:
             pass
 
     def get_single_photon(self):
-        if "singlePhoton.value" in self.run_dc.keys_for_source(self.ctrl_src):  # noqa
-            return(
-                bool(self.run_dc[self.ctrl_src, "singlePhoton"].as_single_value()))  # noqa
+        if "singlePhoton.value" in self.run_dc.keys_for_source(self.ctrl_src):
+            return bool(
+                self.run_dc[self.ctrl_src, "singlePhoton"].as_single_value())