diff --git a/src/nqrduck_measurement/controller.py b/src/nqrduck_measurement/controller.py
index 16b2c3c..0968fc2 100644
--- a/src/nqrduck_measurement/controller.py
+++ b/src/nqrduck_measurement/controller.py
@@ -2,11 +2,8 @@
 
 import logging
 import json
-import numpy as np
-from decimal import Decimal
 from PyQt6.QtCore import pyqtSlot, pyqtSignal
 from PyQt6.QtWidgets import QApplication
-from nqrduck_spectrometer.pulsesequence import PulseSequence
 from .signalprocessing_options import Apodization
 from nqrduck.module.module_controller import ModuleController
 from nqrduck_spectrometer.measurement import Measurement
@@ -25,6 +22,10 @@ class MeasurementController(ModuleController):
     Attributes:
         set_frequency_failure (pyqtSignal): Signal emitted when setting the frequency fails.
         set_averages_failure (pyqtSignal): Signal emitted when setting the averages fails.
+
+    Signals:
+        set_frequency_failure: Signal emitted when setting the frequency fails.
+        set_averages_failure: Signal emitted when setting the averages fails.
     """
 
     set_frequency_failure = pyqtSignal()
@@ -156,7 +157,7 @@ class MeasurementController(ModuleController):
             self.set_averages_failure.emit()
         elif key == "active_spectrometer_changed":
             self.module.view._ui_form.spectrometerLabel.setText(
-                "Spectrometer: %s" % value
+                f"Spectrometer: {value}"
             )
 
     def save_measurement(self, file_name: str) -> None:
diff --git a/src/nqrduck_measurement/model.py b/src/nqrduck_measurement/model.py
index 937200b..efa8e2c 100644
--- a/src/nqrduck_measurement/model.py
+++ b/src/nqrduck_measurement/model.py
@@ -33,6 +33,14 @@ class MeasurementModel(ModuleModel):
 
         validator_measurement_frequency (DuckFloatValidator): Validator for the measurement frequency.
         validator_averages (DuckIntValidator): Validator for the number of averages.
+
+    Signals:
+        displayed_measurement_changed: Signal emitted when the displayed measurement changes.
+        measurements_changed: Signal emitted when the list of measurements changes.
+        view_mode_changed: Signal emitted when the view mode changes.
+
+        measurement_frequency_changed: Signal emitted when the measurement frequency changes.
+        averages_changed: Signal emitted when the number of averages changes.
     """
 
     FILE_EXTENSION = "meas"
diff --git a/src/nqrduck_measurement/signalprocessing_options.py b/src/nqrduck_measurement/signalprocessing_options.py
index be25fc0..eac33fd 100644
--- a/src/nqrduck_measurement/signalprocessing_options.py
+++ b/src/nqrduck_measurement/signalprocessing_options.py
@@ -1,7 +1,6 @@
 """Signal processing options."""
-import logging 
-from decimal import Decimal
-import numpy as np
+
+import logging
 import sympy
 from nqrduck_spectrometer.measurement import Measurement
 from nqrduck.helpers.functions import Function, GaussianFunction, CustomFunction
@@ -9,6 +8,7 @@ from nqrduck.helpers.formbuilder import DuckFormBuilder, DuckFormFunctionSelecti
 
 logger = logging.getLogger(__name__)
 
+
 class FIDFunction(Function):
     """The exponetial FID function."""
 
@@ -45,7 +45,12 @@ class Apodization(DuckFormBuilder):
         self.duration = (self.measurement.tdx[-1] - self.measurement.tdx[0]) * 1e-6
 
         function_selection_field = DuckFormFunctionSelectionField(
-            text=None, tooltip=None, functions=functions, duration=self.duration, parent=parent, default_function=0
+            text=None,
+            tooltip=None,
+            functions=functions,
+            duration=self.duration,
+            parent=parent,
+            default_function=0,
         )
 
         self.add_field(function_selection_field)
@@ -57,4 +62,3 @@ class Apodization(DuckFormBuilder):
             Function: The selected function.
         """
         return self.get_values()[0]
-    
\ No newline at end of file
diff --git a/src/nqrduck_measurement/view.py b/src/nqrduck_measurement/view.py
index d0330ba..bd05245 100644
--- a/src/nqrduck_measurement/view.py
+++ b/src/nqrduck_measurement/view.py
@@ -38,7 +38,7 @@ class MeasurementView(ModuleView):
         # Initialize plotter
         self.init_plotter()
         logger.debug(
-            "Facecolor %s" % str(self._ui_form.plotter.canvas.ax.get_facecolor())
+            f"Facecolor {str(self._ui_form.plotter.canvas.ax.get_facecolor())}"
         )
 
         # Measurement dialog