fixing output selector

pykat/finesse.py

@@ -79,7 +79,7 @@ class katRun(object):
         if len(idx) > 0 and self.y.shape == ():
             # In the case we have a noxaxis and just one output...
             return float(self.y)
-        elif len(idx) == 1 and len(self.y.shape) >= 1:
+        elif len(idx) == 1 and len(self.y.shape) == 1:
             
             # only selecting a single output from a 1D array
             if self.y.size == 1: