plotter: don't use pmap.keys() when testing whether a key is in a dictionary
plotter: don't use pmap.keys() when testing whether a key is in a dictionary

It's more efficient and simpler to read to just test for inclusion.
Drop the .keys()

ARM-software/trappy,ARM-software/trappy,joelagnel/trappy,bjackman/trappy,sinkap/trappy,bjackman/trappy,joelagnel/trappy,JaviMerino/trappy,bjackman/trappy,sinkap/trappy,joelagnel/trappy,sinkap/trappy,bjackman/trappy,joelagnel/trappy,JaviMerino/trappy,sinkap/trappy,ARM-software/trappy,ARM-software/trappy,JaviMerino/trappy