diff --git a/requirements.txt b/requirements.txt
index 117598135e..1d189ba477 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,7 @@ pyserial
 PyQt5
 PyQtWebEngine
 pyqtgraph
+PyOpenGL
 unidecode
 matplotlib
 distro
diff --git a/sw/supervision/python/Readme.md b/sw/supervision/python/Readme.md
index 6ec617f025..9cbd19788b 100644
--- a/sw/supervision/python/Readme.md
+++ b/sw/supervision/python/Readme.md
@@ -8,3 +8,7 @@ Install the package `pyqt5-dev-tools` and run `make` to generate python ui files
 
 Install python dependencies:  
 `python3 -m pip install -r requirements.txt`
+
+
+Install `qttools5-dev-tools` to edit the UI files with Qt5 Designer.
+
diff --git a/sw/supervision/python/generated/ui_conf_header.py b/sw/supervision/python/generated/ui_conf_header.py
index f4ce236aa8..cab1156edf 100644
--- a/sw/supervision/python/generated/ui_conf_header.py
+++ b/sw/supervision/python/generated/ui_conf_header.py
@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'ui/ui_conf_header.ui'
 #
-# Created by: PyQt5 UI code generator 5.15.6
+# Created by: PyQt5 UI code generator 5.15.10
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic5 is
 # run again.  Do not edit this file unless you know what you are doing.
@@ -33,6 +33,7 @@ class Ui_ConfHeader(object):
         sizePolicy.setHeightForWidth(self.ac_combo.sizePolicy().hasHeightForWidth())
         self.ac_combo.setSizePolicy(sizePolicy)
         self.ac_combo.setEditable(False)
+        self.ac_combo.setSizeAdjustPolicy(QtWidgets.QComboBox.AdjustToContents)
         self.ac_combo.setObjectName("ac_combo")
         self.horizontalLayout.addWidget(self.ac_combo)
         self.menu_button = QtWidgets.QToolButton(ConfHeader)
@@ -61,6 +62,7 @@ class Ui_ConfHeader(object):
         self.label_4.setObjectName("label_4")
         self.horizontalLayout.addWidget(self.label_4)
         self.set_combo = QtWidgets.QComboBox(ConfHeader)
+        self.set_combo.setSizeAdjustPolicy(QtWidgets.QComboBox.AdjustToContents)
         self.set_combo.setObjectName("set_combo")
         self.horizontalLayout.addWidget(self.set_combo)
         self.new_ac_action = QtWidgets.QAction(ConfHeader)
diff --git a/sw/supervision/python/mag_viewer.py b/sw/supervision/python/mag_viewer.py
index 9dbf374dc9..5173b07922 100644
--- a/sw/supervision/python/mag_viewer.py
+++ b/sw/supervision/python/mag_viewer.py
@@ -16,7 +16,7 @@ try:
 
     from pprzlink.message import PprzMessage
     from pprz_connect import PprzConnect, PprzConfig
-    import calibration_utils
+
 
     class MagViewer(QtWidgets.QWidget):
 
@@ -169,6 +169,7 @@ try:
                 self.gl_widget.setCameraPosition(distance=self.mean_norm*5)
         
         def calibrate(self):
+            import calibration_utils
             calib_text = ""
             try:
                 p0 = calibration_utils.get_min_max_guess(self.mag_data, 1.)
diff --git a/sw/supervision/python/paparazzicenter.py b/sw/supervision/python/paparazzicenter.py
index 120271af72..6a814f8d16 100755
--- a/sw/supervision/python/paparazzicenter.py
+++ b/sw/supervision/python/paparazzicenter.py
@@ -69,7 +69,7 @@ class PprzCenter(QMainWindow, Ui_SupervisionWindow):
         self.resize(window_size)
         self.configuration_panel.init()
         self.operation_panel.session.init()
-        self.header.update_sets()
+        QtCore.QTimer.singleShot(100, self.header.update_sets)
 
     def programs_state_changed(self, state: TabProgramsState, tab_index):
         self.tabwidget.setTabIcon(tab_index, TAB_ICONS[state])
diff --git a/sw/supervision/python/ui/ui_conf_header.ui b/sw/supervision/python/ui/ui_conf_header.ui
index 41b5ce2eb4..d061911a74 100644
--- a/sw/supervision/python/ui/ui_conf_header.ui
+++ b/sw/supervision/python/ui/ui_conf_header.ui
@@ -42,6 +42,9 @@
      <property name="editable">
       <bool>false</bool>
      </property>
+     <property name="sizeAdjustPolicy">
+      <enum>QComboBox::AdjustToContents</enum>
+     </property>
     </widget>
    </item>
    <item>
@@ -113,7 +116,11 @@
     </widget>
    </item>
    <item>
-    <widget class="QComboBox" name="set_combo"/>
+    <widget class="QComboBox" name="set_combo">
+     <property name="sizeAdjustPolicy">
+      <enum>QComboBox::AdjustToContents</enum>
+     </property>
+    </widget>
    </item>
   </layout>
   <action name="new_ac_action">