diff --git a/.github/workflows/cpp-check.yml b/.github/workflows/cpp-check.yml
index caf46c1..eb9b20a 100644
--- a/.github/workflows/cpp-check.yml
+++ b/.github/workflows/cpp-check.yml
@@ -1,6 +1,6 @@
 name: test-clang-format
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   cpp_style_check:
diff --git a/.github/workflows/python-check.yml b/.github/workflows/python-check.yml
index f88346d..4a94ae5 100644
--- a/.github/workflows/python-check.yml
+++ b/.github/workflows/python-check.yml
@@ -1,5 +1,5 @@
 name: python style check
-on: [push]
+on: [push, pull_request]
 jobs:
   check-python-style:
     runs-on: ubuntu-latest
diff --git a/mirte_telemetrix/scripts/mappings/pico.py b/mirte_telemetrix/scripts/mappings/pico.py
index 5c323f0..445eed0 100644
--- a/mirte_telemetrix/scripts/mappings/pico.py
+++ b/mirte_telemetrix/scripts/mappings/pico.py
@@ -8,9 +8,7 @@ def pin_name_to_pin_number(pin):  # pico has no mapping
     if pin.isdigit():
         return int(pin)
 
-    raise RuntimeError(
-        f"Unknown conversion from pin {pin} to an IO number."
-    )
+    raise RuntimeError(f"Unknown conversion from pin {pin} to an IO number.")
 
 
 def get_analog_offset():