gstlal/python/gstpipetools.py: pygobject work around

gstlal/python/gstpipetools.py

@@ -16,6 +16,7 @@ Gst.init(None)
 
 from lal import LIGOTimeGPS
 from gstlal import simplehandler
+from gstlal import pipeio
 
 LIVE_SEGMENT = (None, None)
 Time = Union[int, float, LIGOTimeGPS]
@@ -89,7 +90,7 @@ def make_element(type_name: str, name: str = None, **properties: dict) -> Gst.El
 
 	# Set element properties
 	for k, v in properties.items():
-		elem.set_property(k, v)
+		elem.set_property(k, pipeio.format_property(v))
 
 	return elem