Commit b3dd6eb3 authored by Tammo Jan Dijkema's avatar Tammo Jan Dijkema
Browse files

Make HPIB raise a RuntimeError no 'no response'

parent 029e63ad
......@@ -44,7 +44,10 @@ class GPIBProtocol(serial.threaded.LineReader):
If the command contains '?', the value returned by
the HPIB device is returned, else None.
the HPIB device is returned.
RuntimeError: if no response was received to a query.
with self.lock:
if address:
......@@ -56,7 +59,7 @@ class GPIBProtocol(serial.threaded.LineReader):
line = self.responses.get(timeout=timeout)
except queue.Empty:
return None
raise RuntimeError("HPIB device at address did not respond to query:", command)
return line
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