X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/3f6a2b8d75adced2f6619d0aad1095edaf6802a2..f8a13c038c45aa5e88ccbc64bf359b77ed938c01:/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PulseIn.py

diff --git a/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PulseIn.py b/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PulseIn.py
index d2390f6..aef942a 100644
--- a/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PulseIn.py
+++ b/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PulseIn.py
@@ -45,7 +45,9 @@ class PulseIn:
                 print("Message Queue Key: ", self._mq.key)
             queues.append(self._mq)
         except sysv_ipc.ExistentialError:
-            raise RuntimeError("Message queue creation failed")
+            raise RuntimeError(
+                "Message queue creation failed"
+            ) from sysv_ipc.ExistentialError
 
         dir_path = os.path.dirname(os.path.realpath(__file__))
         cmd = [