Fix a bug where SIG API spots could be re-tagged as another SIG e.g. WAB if that was named in the comment.

spotproviders/parksnpeaks.py

@@ -33,6 +33,7 @@ class ParksNPeaks(HTTPSpotProvider):
                         # Seen PNP spots with empty frequency, and with comma-separated thousands digits
                         mode=source_spot["actMode"].upper(),
                         comment=source_spot["actComments"],
+                        sig=source_spot["actClass"].upper(),
                         sig_refs=[SIGRef(id=source_spot["actSiteID"], sig=source_spot["actClass"].upper())],
                         time=datetime.strptime(source_spot["actTime"], "%Y-%m-%d %H:%M:%S").replace(
                             tzinfo=pytz.UTC).timestamp())