simpler initialization of HistContainer

examples/peakFitter.py

@@ -111,10 +111,9 @@ left_bases = peak_props["left_bases"]
 right_bases = peak_props["right_bases"]
 fwhms = peak_props["widths"]
 
-# perform fit for precise determination
+# fit for precise determination of peak properties and uncertainties
 #   put data in kafe2 HistContainer 
-hdata = HistContainer(bin_edges=bin_edges)
-hdata.set_bins(hst)
+hdata = HistContainer(bin_edges=bin_edges, fill_data=hst)
 hdata.label = "spectrum data"
 # initialize arrays for output
 fit_results=[]