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authorJeff Long <willcode4@gmail.com>2018-02-17 09:23:09 -0500
committerMarcus Müller <mueller@kit.edu>2018-02-21 19:42:46 +0100
commitef7d0da81af28c40ff29eb0a973076ddc5002885 (patch)
tree70376d2197116c9636961fe1b0f683778a943db1 /gnuradio-runtime/python/gnuradio/gr/gateway.py
parentba63bd46e3a79d4312a16d9d35f918aa4cfa67db (diff)
python gateway: use tuples instead of lists where possible
Diffstat (limited to 'gnuradio-runtime/python/gnuradio/gr/gateway.py')
-rw-r--r--gnuradio-runtime/python/gnuradio/gr/gateway.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gr/gateway.py b/gnuradio-runtime/python/gnuradio/gr/gateway.py
index fe9a77bcc4..eb8f520af4 100644
--- a/gnuradio-runtime/python/gnuradio/gr/gateway.py
+++ b/gnuradio-runtime/python/gnuradio/gr/gateway.py
@@ -100,7 +100,7 @@ class py_io_signature(object):
def port_types(self, nports):
ntypes = len(self.__types)
if ntypes == 0:
- return []
+ return ()
if nports <= ntypes:
return self.__types[:nports]
return self.__types + [self.__types[-1]]*(nports-ntypes)
@@ -112,9 +112,9 @@ class gateway_block(object):
def __init__(self, name, in_sig, out_sig, work_type, factor):
- # Normalize the many Python ways of saying 'nothing' to '[]'
- in_sig = in_sig or []
- out_sig = out_sig or []
+ # Normalize the many Python ways of saying 'nothing' to '()'
+ in_sig = in_sig or ()
+ out_sig = out_sig or ()
# Backward compatibility: array of type strings -> py_io_signature
if type(in_sig) is py_io_signature: