diff --git a/notebooks/ePix100/Correction_ePix100_NBC.ipynb b/notebooks/ePix100/Correction_ePix100_NBC.ipynb
index 35f8c78a453c3f33e8d20e76f76103247fedfd70..cad001b9cf26eb9760d4aa9882822d4a4f7bf056 100644
--- a/notebooks/ePix100/Correction_ePix100_NBC.ipynb
+++ b/notebooks/ePix100/Correction_ePix100_NBC.ipynb
@@ -47,7 +47,7 @@
     "bias_voltage = 200  # bias voltage\n",
     "in_vacuum = False  # detector operated in vacuum\n",
     "integration_time = -1  # Detector integration time, Default value -1 to use the value from the slow data.\n",
-    "fix_temperature = -1  # fixed temperature value in Kelvin, Default value -1 to use the value from files.\n",
+    "fix_temperature = 290  # fixed temperature value in Kelvin, Default value -1 to use the value from files.\n",
     "gain_photon_energy = 9.0  # Photon energy used for gain calibration\n",
     "photon_energy = 0.  # Photon energy to calibrate in number of photons, 0 for calibration in keV\n",
     "\n",
diff --git a/notebooks/ePix100/ePix100_retrieve_constants_precorrection.ipynb b/notebooks/ePix100/ePix100_retrieve_constants_precorrection.ipynb
index d4ee5826b41dea665d9aaed3a5e294dec673df71..591d3b84267c154a26b662327c34485b41172a74 100644
--- a/notebooks/ePix100/ePix100_retrieve_constants_precorrection.ipynb
+++ b/notebooks/ePix100/ePix100_retrieve_constants_precorrection.ipynb
@@ -37,7 +37,7 @@
     "# Conditions for retrieving calibration constants.\n",
     "bias_voltage = 200  # bias voltage\n",
     "in_vacuum = False  # detector operated in vacuum\n",
-    "fix_temperature = -1  # fixed temperature value in Kelvin. Default value -1 to use the value from files.\n",
+    "fix_temperature = 290  # fixed temperature value in Kelvin. Default value -1 to use the value from files.\n",
     "integration_time = -1  # Detector integration time, Default value -1 to use the value from the slow data.\n",
     "gain_photon_energy = 9.0  # Photon energy used for gain calibration\n",
     "\n",
@@ -97,7 +97,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "creation_time = calcat_creation_time(in_folder, run, \"2019-07-04 11:02:41\")\n",
+    "creation_time = calcat_creation_time(in_folder, run, creation_time)\n",
     "print(f\"Using {creation_time.isoformat()} as creation time\")"
    ]
   },
diff --git a/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb b/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb
index 01421b972dfa626ee1ef5c44dbbf0caa07b8f39e..b479ac76af04500fc5566b2d2660601ca1f8f171 100644
--- a/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb
+++ b/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb
@@ -341,7 +341,7 @@
     "\n",
     "if const_yaml:  #  Used while reproducing corrected data.\n",
     "    print(f\"Using stored constants in {metadata.filename}\")\n",
-    "    constants, when = read_const_yaml(\n",
+    "    constants, when = load_specified_constants(\n",
     "        const_yaml[karabo_da][\"constants\"], empty_constants\n",
     "    )\n",
     "else:\n",
diff --git a/notebooks/pnCCD/pnCCD_retrieve_constants_precorrection.ipynb b/notebooks/pnCCD/pnCCD_retrieve_constants_precorrection.ipynb
index 01e8a6573ee07ffb4fdf7afe0dfd18c6dcb19c70..eeac52fe3e033eb3bfef5a82fc3376ca1e8aecf4 100644
--- a/notebooks/pnCCD/pnCCD_retrieve_constants_precorrection.ipynb
+++ b/notebooks/pnCCD/pnCCD_retrieve_constants_precorrection.ipynb
@@ -136,8 +136,6 @@
     "    gain = ctrl_data.get_gain()\n",
     "if fix_temperature_top == 0:\n",
     "    fix_temperature_top = ctrl_data.get_fix_temperature_top()\n",
-    "if fix_temperature_bot == 0:\n",
-    "    fix_temperature_bot = ctrl_data.get_fix_temperature_bot()\n",
     "\n",
     "# Printing the Parameters Read from the Data File:\n",
     "display(Markdown(\"### Detector Parameters\"))\n",
diff --git a/src/cal_tools/pnccdlib.py b/src/cal_tools/pnccdlib.py
index 4a9c298ca2fdb2c72eee4e652291c596c11bece2..98594427ed23b03224c856294d800235a200436a 100644
--- a/src/cal_tools/pnccdlib.py
+++ b/src/cal_tools/pnccdlib.py
@@ -24,9 +24,9 @@ class PnccdCtrl():
         self.mdl_src_temp = f"{karabo_id}/MDL/{{}}"
 
     def get_bias_voltage(self):
-        # Convert the high float precision is not needed.
-        return(int(abs(self.run_dc.get_run_value(
-            self.mdl_src_temp.format("DAQ_MPOD"), "u0voltage.value"))))
+        return(
+            abs(self.run_dc.get_run_value(
+                self.mdl_src_temp.format("DAQ_MPOD"), "u0voltage.value")))
 
     def get_gain(self):
         return(
diff --git a/src/cal_tools/tools.py b/src/cal_tools/tools.py
index 6589a5977b37d14dd76f8f2030fd9b010349aba9..cf8443dba5c768ee6975816aa96e86b2680a2561 100644
--- a/src/cal_tools/tools.py
+++ b/src/cal_tools/tools.py
@@ -963,7 +963,8 @@ def load_specified_constants(
                 const_data[cname] = np.copy(
                     cf[f"{mdata['dataset-name']}/data"])
         else:
-            const_data[cname] = empty_constants[cname] if empty_constants else None  # noqa
+            const_data[cname] = (
+                empty_constants[cname] if empty_constants else None)
     return const_data, when